 In 1891 he was sworn of the Privy Council and appointed Treasurer of the Household under Lord Salisbury, a post he retained until the government fell the following year.Gordon-Lennox married Alice Ogilvie-Grant, daughter of The Honourable George Henry Ogilvie-Grant and granddaughter of Francis Ogilvy-Grant, 6th Earl of Seafield, on 6 July 1889.They had at least one child, Victor Charles Hugh Gordon-Lennox (1897–1967).