William married Maria Louisa Shepard on 5 Feb 1891 in New York City, New York, New York, USA. Maria (daughter of Colonel Elliott Fitch Shepard and Margaret Louise Vanderbilt) was born on 19 Aug 1870 in New York City, New York, New York, USA; died on 18 Aug 1948 in New York City, New York, New York, USA; was buried on 21 Aug 1948 in Moravian Cemetery,New Dorp,Richmond,New York, USA. [Group Sheet] [Family Chart]

1. William Jay Schieffelin, Jr. was born on 30 Nov 1891 in New York City, New York, New York, USA; died on 1 May 1985 in New York City, New York, New York, USA; was buried in Sleepy Hollow Cemetery,Sleepy Hollow,Westchester,New York, USA.
2. Margaret Louisa Schieffelin was born on 27 Nov 1893 in New York City, New York, New York, USA; died on 15 Jan 1982 in Garrison,Putnam,New York, USA.
3. Mary Jay Schieffelin was born on 5 Jan 1896 in New York City, New York, New York, USA; died on 9 May 1975; was buried on 12 May 1975 in Saint Matthew's Episcopal Churchyard,Bedford, Westchester, New York, USA.
4. Rear Admiral John Jay Schieffelin, Jr. was born on 31 Oct 1897 in Scarsboro,Westchester,New York, USA; died on 24 May 1987 in New York City, New York, New York, USA.
5. Louisa Vanderbilt Schieffelin was born on 27 Jun 1901 in Bar Harbor,Hancock,Maine, USA; died on 9 Dec 1926 in New York City, New York, New York, USA.
6. Bayard Schieffelin was born on 16 Apr 1903 in New York City, New York, New York, USA; died on 6 Apr 1989 in Short Hills,Essex,New Jersey, USA; was buried on 11 Apr 1989.
7. Elliott Schieffelin was born on 21 Jun 1905 in Bar Harbor,Hancock,Maine, USA; died on 13 Jul 1988 in San Bernardino,California, USA.
8. Barbara Schieffelin was born on 30 Sep 1906 in New York City, New York, New York, USA; died on 27 Nov 1987 in Northumberland,England,UK..
9. Henry Schieffelin was born on 7 Nov 1908 in New York City, New York, New York, USA; died on 9 Oct 1984 in Brattleboro,Windham,Vermont, USA; was buried on 10 Oct 1984.