Family Timeline

The origin of the Roxburghe family dates back to the Kers of Cessford in the 15th Century and the Dukes of Roxburghe have lived at Floors Castle since it was built in 1721.

It is possible that the line in Britain began with two brothers, Ralph and John, originally from Normandy, who passed from England into Scotland in the 13th century. This laid the foundations for the two houses, the descendants of Ralph, the Kerr line, Marquesses of Lothian, and the descendants of John being the Kers of Cessford. There is a Henry Ker, granted a letter of protection for himself and a retinue of 12 men from Edward III in 1363. It is in this period that the name of Ker is listed as being associated with the barony of Auldtounburn. In the early part of the 15th century, the Kers are associated with the Earls of Douglas, the most prominent family in the region until their fall from grace in the middle part of the century.

Though the family can trace its lineage back to the High Middle Ages, family history pertinent to Floors Castle begins with the 5th Earl of Roxburgh, who was made the 1st Duke in 1707. It is useful, for context however, to also consider the line of Earls that began in the early part of the 17th century, to chart the rise of the family from prominent Border Reivers to major players on the national stage.

  • 1616
  • 1st Earl of Roxburghe

    Robert Ker of Cessford

    1st Earl of Roxburghe
  • = Mary Maitland of Lethington

  • 1668
  • 2nd Earl of Roxburghe


  • = Jane Ker

  • 1680
  • 3rd Earl of Roxburghe

    Robert Ker

    3rd Earl of Roxburghe
  • 4th Earl of Roxburghe
  • Robert Ker


  • 1707
  • 1st Duke of Roxburghe / 5th Earl

    John Ker

    1st Duke of Roxburghe / 5th Earl
  • = Lady Mary Finch

    Had one child

    • Robert, 2nd Duke of Roxburghe
  • 1741
  • 2nd Duke of Roxburghe

    Robert Ker

    2nd Duke of Roxburghe
  • = Essex Mostyn

    Had one child

    • John, 3rd Duke of Roxburghe
  • 1755
  • 3rd Duke of Roxburghe

    John Ker

    3rd Duke of Roxburghe
  • 1804
  • 4th Duke of Roxburghe

    William Bellenden-Ker 7th Lord Bellenden, 4th Duke of Roxburghe

  • 1812
  • 5th Duke of Roxburghe

    Sir James Innes-Ker, 6th Bt.

    5th Duke of Roxburghe
  • = Harriet Charlewood (2)

    • Sir James Innes Ker, 1st Earl Innes
  • 1823
  • 6th Duke of Roxburghe

    James Henry Robert Innes-Ker

    6th Duke of Roxburghe
  • = Susanna Dalbriac

    • Sir James Innes Ker
  • 1879
  • 7th Duke of Roxburghe

    James Henry Robert Innes-Ker

    7th Duke of Roxburghe
  • = Lady Anne Spencer-Churchill

    • Sir Henry Innes Ker
  • 1892
  • 8th Duke of Roxburghe

    Sir Henry Innes-Ker

    8th Duke of Roxburghe
  • = Mary Goelet

    • Sir George Innes Ker
  • 1932
  • 9th Duke of Roxburghe

    George Victor Robert John Innes-Ker

    9th Duke of Roxburghe
  • = Lady Milne Crewe-Milnes (1)

  • = Margaret Elizabeth McConnel (2)

    • Sir Guy David Innes Ker
    • Lord Robert Anthony
  • 1974
  • 10th Duke of Roxburghe

    Guy David Innes-Ker

    10th Duke of Roxburghe
  • = Lady Jane Grosvenor (1)

    Has three children

    • Viscountess Rosanagh Viola Alexandra Grimston (b. 1979)
    • Charles Robert George Marquis of Bowmont (b. 1981)
    • Lord Edward Arthur Gerald Innes Ker (b. 1984)
  • = Virginia Mary Wynn-Williams (2)

    Has two children

    • Lady Isabella May Innes Ker (b. 1994)
    • Lord George Alastair Innes Ker (b. 1996)
  • 2016

Scotland’s Largest Inhabited Castle