Earl Mar
Earl Mar is in Earl March.
Around 1250 Donald Mar 6th Earl Mar succeeded 6th Earl Mar.
On 25 Jul 1297 Donald Mar 7th Earl Mar succeeded 7th Earl Mar.
On 12 Aug 1332 Domhnhall Mar 9th Earl Mar died. His sixth cousin once removed Thomas Mar 10th Earl Mar (age 2) succeeded 10th Earl Mar.
Before 1377 Thomas Mar 10th Earl Mar (age 47) and Margaret Stewart 3rd Countess Angus and Mar were married. She by marriage Countess Mar. She the daughter of Thomas Stewart 2nd Earl Angus. He the son of Domhnall Mar II Earl Mar (age 83) and Isabella Stewart. They were first cousin once removed.
In 1377 Thomas Mar 10th Earl Mar (age 47) died. His sister Margaret Mar Countess Douglas 11th Countess Mar succeeded 11th Countess Mar.
Before 1380 Thomas Mar 10th Earl Mar and Margaret Graham 2nd Countess Menteith and Mar were married. She by marriage Countess Mar. He the son of Domhnall Mar II Earl Mar (age 86) and Isabella Stewart. They were fourth cousins.
On either 05 Aug 1388 or 19 Aug 1388 a Scottish army commanded by John Swinton defeated an English army commanded by Henry "Hotspur" Percy (age 24) during the Battle of Otterburn at Otterburn [Map]. Henry "Hotspur" Percy (age 24) and his brother Ralph Percy (age 29) were captured as was Matthew Redman (age 60). The English suffered 1000 killed, 2000 captured. The Scottish 100 killed, 200 captured.
On the Scottish side James Douglas 2nd Earl Douglas (age 30) was killed. His sister Isabel Douglas Countess Mar (age 28) succeeded Countess Mar.
John Dunbar 1st Earl Moray (age 46) fought.
In 1404 Thomas Erskine 13th Earl Mar (age 58) died at Erskine. His grandson Thomas Erskine 2nd Lord Erskine 14th Earl Mar de jure 14th Earl Mar.
In 1404 Alexander Stewart 1st Earl Mar (age 29) and Isabel Douglas Countess Mar (age 44) were married. He by marriage Earl Mar. She the daughter of William Douglas 1st Earl Douglas and Margaret Mar Countess Douglas 11th Countess Mar. He the son of Alexander "The Wolf of Badenoch" Stewart 3rd Earl Buchan (age 61) and Mariota Mackay Countess Moray. They were half fourth cousins. He a great x 5 grandson of King John "Lackland" of England. 
In 1408 Isabel Douglas Countess Mar (age 48) died. Earl Mar extinct.
In 1453 Robert Erskine died. Thomas Erskine 13th Earl Mar de jure 13th Earl Mar.
Around 1458 John Stewart 1st Earl Mar (age 2) was created 1st Earl Mar.
On 02 Mar 1486 John Stewart 1st Earl Mar (age 6) was created 1st Earl Mar.
In 1513 John Erskine 17th Earl Mar (age 25) succeeded 17th Earl Mar, 5th Lord Erskine.
On 09 Sep 1513 at the Battle of Flodden was fought at the Branxton, Northumberland [Map]. the English army was commanded by Thomas Howard 2nd Duke of Norfolk (age 70), Thomas Howard 3rd Duke of Norfolk (age 40), Edmund Howard (age 35), Thomas Dacre 2nd Baron Dacre Gilsland (age 45), Edward Stanley 1st Baron Monteagle (age 51) and Marmaduke Constable (age 56).
The English army included: Henry "Shepherd Lord" Clifford 10th Baron Clifford (age 59), William Conyers 1st Baron Conyers (age 44), Thomas Berkeley 5th Baron Berkeley (age 41) and Richard Neville 2nd Baron Latimer of Snape (age 45).
Randall Babington, John Bigod (age 38) and Thomas Fitzwilliam (age 39) were killed.
Marmaduke Constable (age 33), William Constable (age 38), George Darcy 1st Baron Darcy Aston (age 16), Edmund Walsingham (age 33), Thomas Burgh 7th Baron Cobham 5th Baron Strabolgi 1st Baron Burgh (age 25) and Walter Stonor (age 36) were knighted by Thomas Howard 3rd Duke of Norfolk (age 40).
Christopher Savage, Thomas Venables (age 44) and Brian Tunstall (age 33) were killed.
Bryan Stapleton of Wighill (age 55) was killed. (Some reports have him dying in 1518).
John Booth (age 78) was killed.
Father and son Ralph ellerker of risby in yorkshire and Ralph Ellerker were knighted by Thomas Howard Earl of Surrey (age 70).
The Scottish army suffered heavy casualties:
King James IV of Scotland (age 40) was killed. His body ws taken to London, then to Sheen Priory, Richmond; thereafter it dissappeared. His son King James V of Scotland (age 1) succeeded V King Scotland.
Alexander Stewart ArchBishop of St Andrews (age 20) was killed.
David Kennedy 1st Earl Cassilis (age 43) was killed. His son Gilbert Kennedy 2nd Earl Cassilis (age 18) succeeded 2nd Earl Cassilis. Isabel Campbell Countess Cassilis by marriage Countess Cassilis.
William Sinclair 2nd Earl Caithness (age 54) was killed. His son John Sinclair 3rd Earl Caithness succeeded 3rd Earl Caithness.
Matthew Stewart 2nd Earl Lennox was killed. His son John Stewart 3rd Earl Lennox (age 23) succeeded 3rd Earl Lennox.
William Hay 4th Earl Erroll was killed. His son William Hay 5th Earl Erroll (age 18) succeeded 5th Earl Erroll.
John Douglas 2nd Earl Morton was killed. His son James Douglas 3rd Earl Morton succeeded 3rd Earl Morton, 6th Lord Dalkeith.
Adam Hepburn 2nd Earl Bothwell was killed. His son Patrick Hepburn 3rd Earl Bothwell (age 1) succeeded 3rd Earl Bothwell.
Alexander Stewart 4th of Garlies (age 32) was killed. His son Alexander Stewart 5th of Garlies (age 6) succeeded 5th Lord Garlies.
Alexander Elphinstone 1st Lord Elphinstone was killed. His son Alexander Elphinstone 2nd Lord Elphinstone (age 3) succeeded 2nd Lord Elphinstone.
Thomas Hay, George Hepburn Bishop Isles (age 59), Adam Hepburn Master (age 56), Thomas "Younger of Cushnie" Lumsden
William Douglas 6th Lord Drumlanrig was killed. William "Younger" Douglas 7th Lord Drumlanrig succeeded 7th Lord Drumlanrig.
George Seton 5th Lord Seton was killed. His son George Seton 6th Lord Seton succeeded 6th Lord Seton.
John Hay 2nd Lord Hay of Yester was killed. His son John Hay 3rd Lord Hay (age 23) succeeded 3rd Lord Hay of Yester. Elizabeth Douglas Lady Hay by marriage Lord Hay of Yester.
Robert Keith Master of Marischal (age 30), Guiscard Harbottle (age 28), John Erskine, David Home (age 22), Andrew Stewart 1st Lord Avondale (age 43), Archibald Campbell 2nd Earl Argyll (age 64), Robert Douglas of Lochleven (age 89) were killed.
Henry Sinclair 3rd Lord Sinclair (age 48) was killed. His son William Sinclair 4th Lord Sinclair succeeded 4th Lord Sinclair.
James Stewart 1st Lord of Traquair (age 33) was killed. His son William Stewart 2nd Lord Traquair (age 7) succeeded 2nd Lord Traquair.
John Maxwell 4th Lord Maxwell (age 57) was killed. His son Robert Maxwell 5th Lord Maxwell (age 20) succeeded 5th Lord Maxwell.
William Murray (age 43), Colin Oliphant (age 26), William Ruthven (age 33), George Douglas (age 44) and William Douglas (age 42) were killed.
George Home 4th Lord Home and John Stewart 2nd Earl Atholl (age 38) fought.
Brothers David Lyon of Cossins, William Lyon and George Lyon were killed.
William Graham 1st Earl Montrose (age 49) was killed. His son William Graham 2nd Earl Montrose (age 21) succeeded 2nd Earl Montrose.
Robert Erskine 4th Lord Erskine 16th Earl Mar was killed. His son John Erskine 17th Earl Mar (age 26) de jure 17th Earl Mar, Lord Erskine.
Thomas Stewart 2nd Lord Innermeath (age 52) was killed. His son Richard Stewart 3rd Lord Innermeath succeeded 3rd Lord Innermeath.
Walter Lindsay of Arden and Walter Lindsay (age 33) were killed.
William Keith of Inverugie (age 43) was killed.
David Wemyss of Wemyss (age 40) was killed.
John Somerville 1st of Cambusnethan (age 55) was killed.
Robert Crichton 2nd Lord Crichton of Sanquhar (age 41) was killed. His son Robert Crichton 3rd Lord Crichton of Sanquhar (age 22) succeeded 3rd Lord Crichton of Sanquhar
Father and son William Rollo (age 59) and Robert Rollo 5th of Duncrub (age 34) were killed.
Before 1528 John Erskine 17th Earl Mar (age 40) and Margaret Campbell Countess Mar were married. She by marriage Countess Mar. She the daughter of Archibald Campbell 2nd Earl Argyll and Elizabeth Stewart Countess Argyll (age 64).
On 11 Nov 1555 John Erskine 17th Earl Mar (age 68) died. His son John Erskine 18th Earl Mar succeeded 18th Earl Mar, 6th Lord Erskine.
On 28 Oct 1572 John Erskine 18th Earl Mar died at Stirling [Map]. On 28 Oct 1572 His son John Erskine 19th Earl Mar (age 10) succeeded 19th Earl Mar. Anne Drummond Countess Mar (age 17) by marriage Countess Mar.
In Dec 1592 John Erskine 19th Earl Mar (age 30) and Mary Stewart Countess Mar (age 10) were married. She by marriage Countess Mar. The difference in their ages was 20 years. She the daughter of Esme Stewart 1st Duke Lennox and Catherine Balsac Duchess Lennox. He the son of John Erskine 18th Earl Mar. They were third cousin once removed.
On 14 Dec 1634 John Erskine 19th Earl Mar (age 72) died. His son John Erskine 20th Earl Mar (age 49) succeeded 20th Earl Mar.
In 1654 John Erskine 20th Earl Mar (age 69) died. His son John Erskine 21st Earl Mar succeeded 21st Earl Mar.
In 1668 John Erskine 21st Earl Mar died. His son Charles Erskine 22nd Earl Mar (age 17) succeeded 22nd Earl Mar.
On 23 May 1689 Charles Erskine 22nd Earl Mar (age 38) died. His son John Erskine 23rd Earl Mar (age 14) succeeded 23rd Earl Mar.
On 06 Apr 1703 John Erskine 23rd Earl Mar (age 28) and Margaret Hay Countess Mar (age 16) were married. She by marriage Countess Mar. She the daughter of Thomas Hay 7th Earl Kinnoull (age 43). He the son of Charles Erskine 22nd Earl Mar.
After 26 Apr 1707 John Erskine 23rd Earl Mar (age 32) and Frances Pierrepont Countess Mar were married. She by marriage Countess Mar. She the daughter of Evelyn Pierrepont 1st Duke Kingston upon Hull (age 52) and Mary Fielding Countess Kingston upon Hull. He the son of Charles Erskine 22nd Earl Mar.
Domhnhall Mar 9th Earl Mar succeeded 9th Earl Mar.
Gartnait Mar 8th Earl Mar succeeded 8th Earl Mar.
Domhnall Mar II Earl Mar succeeded II Earl Mar.
Donald Mar 7th Earl Mar and Elen ferch Llewellyn Aberffraw Countess Huntingdon and Mar were married. She by marriage Countess Mar. He the son of Donald Mar 6th Earl Mar. She a granddaughter of King John "Lackland" of England.
Donald Mar 6th Earl Mar succeeded 6th Earl Mar.
Thomas Erskine 13th Earl Mar and Mary Douglas Countess Mar were married. She by marriage Countess Mar. She the daughter of William "Flower of Chivalry and Knight Liddesdale" Douglas 1st Earl Atholl and Elizabeth Maxwell Countess Atholl.