In 1866, Fraser married Alice Maria Weld-Blundell, the fifth daughter of
Thomas Weld-Blundell and his wife, Teresa Maria Eleanora Vaughan. They had 11 children: • Simon Thomas Joseph Fraser (16 August 1867 – 28 September 1868), who died young. • Maj. Hon. Alastair Thomas Joseph Fraser (1 August 1877 – 14 October 1949), who married Lady Sybil Grimston, daughter of
James Grimston, 3rd Earl of Verulam. • Hon. Margaret Mary Catherine Fraser
OBE (25 June 1881 – 4 August 1972), who married Brig.-Gen.
Archibald Stirling, son of
Sir William Stirling-Maxwell, 9th Baronet, and had issue. He was succeeded by his son
Simon, who became the 14th Lord Lovat. Lady Lovat survived her husband by over fifty years and died in 1938, aged 92. ==Descendants==