The future Lord Lucas married Sonia Finkelstein (died 1979), the daughter of Marcus Finkelstein, a Latvian fishing-industry tycoon, in 1917. He died in October 1967, aged 71, and was succeeded in the barony by his eldest son Michael, who became a Conservative government minister. His second son, Ivor Lucas, became a diplomat and served as British Ambassador to Syria and Oman.
Coat of arms of George Lucas, 1st Baron Lucas of Chilworth
Crest
A Representation of Apollo affrontée Or
Escutcheon
Per fess wavy Or and Azure in chief between two Annulets a Rose Gules barbed and seeded proper and in base two Bars wavy Argent surmounted by a Bull's Head caboshed Sable
Supporters
Dexter: a Lion Or; Sinister: a Russian Bear Sable, each resting the interior paw upon an Annulet therein a Rose Gules barbed and seeded proper