Marquess Tweeddale is in Marquess.
In 1694 John Hay 1st Marquess Tweeddale [aged 68] was created 1st Marquess Tweeddale. Jean Scott Marchioness Tweddale by marriage Marchioness Tweeddale.
On 11th August 1697 John Hay 1st Marquess Tweeddale [aged 71] died at Edinburgh. His succeeded son John [aged 52] succeeded 2nd Marquess Tweeddale, 3rd Earl Tweeddale. Mary Maitland Marchioness Tweddale by marriage Marchioness Tweeddale.
On 20th April 1713 John Hay 2nd Marquess Tweeddale [aged 68] died. His succeeded son Charles Hay 3rd Marquess Tweeddale [aged 43] succeeded 3rd Marquess Tweeddale, 4th Earl Tweeddale.
In 1748 John Hay 4th Marquess Tweedale [aged 53] and Frances Carteret Marchioness Tweddale [aged 29] were married. Frances Carteret Marchioness Tweddale by marriage Marchioness Tweeddale. The difference in their ages was 23 years. She the daughter of John Carteret 2nd Earl Granville [aged 57] and Frances Worsley Countess Granville. He the son of Charles Hay 3rd Marquess Tweeddale. They were fifth cousin once removed.
In 1787 George Hay 6th Marquess Tweedale [aged 87] died. His succeeded first cousin once removed George Hay 7th Marquess Tweedale [aged 34] succeeded 7th Marquess Tweeddale, 8th Earl Tweeddale. Hannah Maitland Marchioness Tweddale [aged 37] by marriage Marchioness Tweeddale.
On 9th August 1804 George Hay 7th Marquess Tweedale [aged 51] died in Verdun. His succeeded son George Hay 8th Marquess Tweedale [aged 17] succeeded 8th Marquess Tweeddale, 9th Earl Tweeddale. Susan Montagu Marchioness Tweddale [aged 3] by marriage Marchioness Tweeddale.
On 10th October 1876 George Hay 8th Marquess Tweedale [aged 89] died. His succeeded son Arthur Hay 9th Marquess Tweedale [aged 51] succeeded 9th Marquess Tweeddale. Julia Charlotte Sophia Stewart-Mackenzie Marchoness Tweedale [aged 30] by marriage Marchioness Tweeddale.
On 29th December 1878 Arthur Hay 9th Marquess Tweedale [aged 54] died without issue. His succeeded brother William Hay 10th Marquess of Tweeddale [aged 52] succeeded 10th Marquess Tweeddale.
On 25th November 1911 William Hay 10th Marquess of Tweeddale [aged 85] died. His succeeded son William Hay 11th Marquess of Tweeddale [aged 27] succeeded 11th Marquess Tweeddale.
On 30th March 1967 David Hay 12th Marquess of Tweedale [aged 46] died. His succeeded son Edward Hay 13th Marquess of Tweeddale [aged 19] succeeded 13th Marquess Tweeddale.
On 30th March 1967 William Hay 11th Marquess of Tweeddale [aged 82] died. His succeeded nephew David Hay 12th Marquess of Tweedale [aged 46] succeeded 12th Marquess Tweeddale.
On 1st February 2005 Edward Hay 13th Marquess of Tweeddale [aged 57] died. His succeeded brother Charles Hay 14th Marquess of Tweeddale [aged 57] succeeded 14th Marquess Tweeddale.