In 1850 [her father] Charles Somers-Cocks 3rd Earl Somers 1819-1883 (age 30) and [her step-mother] Virginia Somers-Cocks Countess Somers 1827-1910 (age 22) were married. He the son of John Somers-Cocks 2nd Earl Somers 1788-1852 (age 61) and Caroline Yorke Countess Somers 1794-1873 (age 55).
On 24 Sep 1852 Adeline Marie Somers Duchess Bedford was born to Charles Somers-Cocks 3rd Earl Somers 1819-1883 (age 33).
On 05 Oct 1852 [her grandfather] John Somers-Cocks 2nd Earl Somers 1788-1852 (age 64) died. His son [her father] Charles Somers-Cocks 3rd Earl Somers 1819-1883 (age 33) succeeded 3rd Earl Somers 3rd Viscount Eastnor of Eastor Castle in Herefordshire, 4th Baron Somers. [her step-mother] Virginia Somers-Cocks Countess Somers 1827-1910 (age 25) by marriage Countess Somers.
On 26 Sep 1883 [her father] Charles Somers-Cocks 3rd Earl Somers 1819-1883 (age 64) died. Earl Somers, Viscount Eastnor of Eastor Castle in Herefordshire extinct. He was buried at St John the Baptist Church, Eastnor [Map]. His first cousin once removed Philip Reginald Cocks 5th Baron Somers (age 68) succeeded 5th Baron Somers.
On 24 Oct 1886 George William Sackville 10th Duke Bedford 1852-1893 (age 34) and Adeline Marie Somers Duchess Bedford (age 34) were married. She the daughter of Charles Somers-Cocks 3rd Earl Somers 1819-1883. He the son of Francis Russell 9th Duke Bedford 1819-1891 (age 67) and Elizabeth Sackville-West Duchess Bedford 1818-1897 (age 68). He a great x 5 grandson of King Charles II of England Scotland and Ireland. 
On 14 Jan 1891 [her father-in-law] Francis Russell 9th Duke Bedford 1819-1891 (age 71) committed suicide having shot himself as a result of insanity in Eaton Square, Belgravia. His son [her husband] George William Sackville 10th Duke Bedford 1852-1893 (age 38) succeeded 10th Duke Bedford, 10th Marquess Tavistock, 14th Earl Bedford, 14th Baron Russell of Cheneys, 10th Baron Howland of Streatham. Adeline Marie Somers Duchess Bedford (age 38) by marriage Duchess Bedford.
On 23 Mar 1893 [her husband] George William Sackville 10th Duke Bedford 1852-1893 (age 40) died. George William Sackville 10th Duke Bedford 1852-1893 (age 40) was buried at Bedford Chapel, St Michael's Church, Chenies. His brother [her brother-in-law] Herbrand Arthur Sackville 11th Duke Bedford (age 35) succeeded 11th Duke Bedford, 11th Marquess Tavistock, 15th Earl Bedford, 15th Baron Russell of Cheneys, 11th Baron Howland of Streatham. by marriage Duchess Bedford.
On 12 Apr 1920 Adeline Marie Somers Duchess Bedford (age 67) died.
Paternal Family Tree: Cocks
Kings Wessex: Great x 24 Grand Daughter of King Edmund "Ironside" I of England
Kings Gwynedd: Great x 20 Grand Daughter of Owain "Great" King Gwynedd 1100-1170
Kings Seisyllwg: Great x 26 Grand Daughter of Hywel "Dda aka Good" King Seisyllwg King Deheubarth
Kings Powys: Great x 21 Grand Daughter of Maredudd ap Bleddyn King Powys 1047-1132
Kings England: Great x 15 Grand Daughter of King Edward III of England
Kings Scotland: Great x 16 Grand Daughter of Robert "The Bruce" I King Scotland
Kings Franks: Great x 21 Grand Daughter of Louis VII King Franks
Kings France: Great x 17 Grand Daughter of Philip "The Fair" IV King France
Great x 4 Grandfather: Charles Cocks
Great x 3 Grandfather: John Cocks of Castleditch in Eastnor in Herefordshire
Great x 4 Grandmother: Mary Somers
Great x 2 Grandfather: Charles Cocks 1st Baron Somers
Great x 4 Grandfather: Reverend Thomas Cocks of Castleditch in Eastnor in Herefordshire
Great x 3 Grandmother: Mary Cocks
Great x 1 Grandfather: John Cocks 1st Earl Somers 1760-1841
Great x 4 Grandfather: William Eliot
Great x 3 Grandfather: Richard Eliot
Great x 2 Grandmother: Elizabeth Eliot
Great x 4 Grandfather: James Craggs
Great x 3 Grandmother: Harriot Craggs
GrandFather: John Somers-Cocks 2nd Earl Somers 1788-1852
Father: Charles Somers-Cocks 3rd Earl Somers 1819-1883 14 x Great Grand Son of King Edward III of England
Great x 4 Grandfather: Philip Yorke
Great x 3 Grandfather: Philip Yorke 1st Earl of Hardwicke
Great x 2 Grandfather: Charles Yorke
Great x 4 Grandfather: Charles Cocks
Great x 3 Grandmother: Margaret Cocks Countess Hardwicke
Great x 4 Grandmother: Mary Somers
Great x 1 Grandfather: Philip Yorke 3rd Earl of Hardwicke
Great x 3 Grandfather: William Freeman of Hamels in Hertfordshire
Great x 2 Grandmother: Catherine Blount Freeman
Great x 4 Grandfather: Thomas Pope Blount 2nd Baronet
Great x 3 Grandmother: Catherine Blount
GrandMother: Caroline Yorke Countess Somers 1794-1873 13 x Great Grand Daughter of King Edward III of England
Great x 4 Grandfather: Andrew Lindsay 1st Earl Balcarres 1618-1659 9 x Great Grand Son of King Edward III of England
Great x 3 Grandfather: Colin Lindsay 3rd Earl Balcarres 10 x Great Grand Son of King Edward III of England
Great x 2 Grandfather: James Lindsay 5th Earl Balcarres 1691-1768 11 x Great Grand Son of King Edward III of England
Great x 3 Grandmother: 10 x Great Grand Daughter of King Edward III of England
Great x 4 Grandmother: Margaret Montgomerie 9 x Great Grand Daughter of King Edward III of England
Great x 1 Grandmother: Elizabeth Lindsay Countess Hardwicke 12 x Great Grand Daughter of King Edward III of England
Adeline Marie Somers Duchess Bedford 1852-1920 15 x Great Grand Daughter of King Edward III of England