In 1947 he married Sonia Elizabeth Graham and they had one son, Peter Robert Henry Mond, and two daughters.
Peter Robert Henry Mond, 4th Baron Melchett (born 24 February 1948), son of the British Steel Corporation Chairman Sir Julian Mond and Sonia Melchett (now Sinclair), was educated at Eton and Cambridge, where he read Law.
Sonia Gandhi | Sonia Sotomayor | Sonia Sanchez | Alfred Mond, 1st Baron Melchett | Sonia Dada | Sonia Noemí | Sonia Nieto | Sonia Mkoloma | Sonia O'Sullivan | Sonia Nassery Cole | Sonia Melchett | Sonia Escolano | Sonia Agarwal | Peter Mond, 4th Baron Melchett | Sonia Vinci | Sonia "Sunny" Jacobs | Sonia Sui | Sonia Steinman Gold | Sonia Sekula | Sonia Rosado | Sonia Prina | Sónia Matias | Sonia Martínez | Sonia Manzano | Sonia Levitin | Sonia Lee | Sonia Johnson | Sonia Fowler | Sônia Braga | Sonia Amelio |