page_title: Sir Thomas Chapman, 7th Baronet
section_title: Descendants
hierarchical_section_title: Sir Thomas Chapman, 7th Baronet / Descendants
caption_attribution_description: English: The Lawrence brothers in 1910. From left to right: T. E. Lawrence (Ned), Frank, Arnold, Bob and Will.
context_page_description: Sir Thomas Robert Tighe Chapman, 7th Baronet, was an Anglo-Irish landowner, the last of the Chapman baronets of Killua Castle in County Westmeath, Ireland. For many years he lived under the name of Thomas Robert Lawrence, taking the name of his partner, Sarah Lawrence, the mother of his five sons, one of whom was T. E. Lawrence, 'Lawrence of Arabia'.
context_section_description: Chapman had four daughters: Eva Jane Louisa (b. 1874); Rose Isabel (b. 1878); Florence Lina (b. 1880) and Mabel Cecele (b. 1881).
  Chapman's eldest son, Montagu Robert Lawrence (1885–1971), became a physician and was a medical missionary in China.
  His second son, Colonel Thomas Edward Lawrence, died childless in a motorcycle accident in 1935, while his third and fourth sons, William George Lawrence (1889–1915) and Frank Helier Lawrence (1893–1915), also childless, were killed during the First World War. Second Lieutenant William George Lawrence died on 23 October 1915 while serving with the 13th Sqdn. Royal Flying Corps and the Oxford and Bucks Light Infantry; he is buried at St Souplet British Cemetery. Second Lieutenant Frank Helier Lawrence died on  9 May 1915 while serving with the 3rd Bn. attd. 1st Bn. Gloucestershire Regiment; he is commemorated on the Le Touret Memorial.
  His fifth son, Arnold Walter Lawrence (1900–1991), married Barbara Thompson in 1925 and had one child, Jane Helen Thera Lawrence (1926–1977). In 1947, she married James Macdonald Cassels (1924–1994), who became Lyon Jones Professor of Physics in the University of Liverpool in 1960, and they had two children,  Alistair Lawrence Cassels (1952) and Suzanna Kennedy Cassels (1958).
  Sarah Lawrence died in 1959, aged 98, in the Acland Nursing Home, Oxford.
caption: The Lawrence brothers in 1910: from left to right: Thomas Edward (Ned), Frank, Arnold, Bob and Will
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