Background
Colebrooke was the son of Sir Thomas Colebrooke, 4th Baronet, and his wife Elizabeth Margaret Richardson, daughter of J. Richardson.
Colebrooke was the son of Sir Thomas Colebrooke, 4th Baronet, and his wife Elizabeth Margaret Richardson, daughter of J. Richardson.
He served as Captain of the Honourable Corps of Gentlemen-at-Arms under H. H. Asquith and David Lloyd George between 1911 and 1922. He succeeded his father in the baronetcy in 1890. In 1906 Colebrooke was raised to the peerage as Baron Colebrooke, of Stebunheath in the County of Middlesex.
He served under Sir Henry Campbell-Bannerman and H. H. Asquith as a Lord-in-Waiting (government whip in the House of Lords) from 1906 to 1911 and then under Asquith and later David Lloyd George as Government Chief Whip in the Lords and Captain of the Honourable Corps of Gentlemen-at-Arms from 1911 to 1922.
In 1914 he was admitted to the Privy Council. He was also a Deputy Lieutenant of Lanarkshire.
Lord Colebrooke married Alexandra Harriet Paget, daughter of General Lord Alfred Paget, in 1889. He died in February 1939, aged 77, when the baronetcy and barony became extinct.
Lady Colebrooke died in 1944.