The Oxford Group was a lifelong source of inspiration to him and his wife. On 4 July 1929 in
The Hague, he married Sylvia, Jonkvrouw van Lennep (The Hague, 16 December 1905 –
Eindhoven, 29 August 1992), daughter of Jonkheer
Roelof van Lennep (
Wiesbaden, 3 October 1876 – The Hague, 13 September 1951), and wife Digna Jacoba Mijer (b.
Batavia, 28 March 1883). The couple had seven children:
Digna Hintzen-Philips (14 September 1930 – 7 February 2018, who married Peter Hintzen and has Herman-Frederik and Rein),
Anton Frederik (Ton) (b. 12 March 1932 who married Johanna Charlotte Daneel and had Frits, Joey and Karel),
Anne Jetje (Annejet) Campbell-Philips (14 October 1933 – 1 March 2007, who married Paul Campbell and had Edith Anne and Digna),
Sylvia Dutterloo-Philips (6 December 1936 – 13 June 1988, married to Herbert van Werkhoven and had Sylvia and Harro, later married Anton Dutterloo),
Warner (Eindhoven, 6 August 1938 – 14 May 2022, who married Cornelia Clara (Nel) de Graaf and had Liz and Maria),
Frederik (Frits) (b. 10 April 1940, who married Christine Bosschaart and had Christine, Tony, Warner and Annejet, later married Els van Slingelandt) and
Maria Philips-Moniz (b. 23 April 1947 who married Hans Schouten and had Jan, Marileen and Pieter, later married Allan Moniz and had Mark). ==Career==