He is married to Elizabeth Moederson.
Permission for the marriage has been obtained in Axel on January 1, 1746.Source 1
They got married on May 1, 1746 at Axel.Source 11746-01-01 (de geboden gaan naar Bergen op Zoom, getrouwd 1 mei), Jan Frederik van de Graef j.m. van Statte in Bremerlant, soldaet in de compagnie van den Heer Capt. Roulse, alhier in garnizoen leggende met, Elizabeth Moederson j.d. van Gorkum, hier won.
Axel, transcriptie ref. trouwboek 1604-1648, 1653-1691, 1691-1729, 1729-1749, 1750-1791 en 1791-1796 http://www.geneaknowhow.net/script/zeeland.html