(1) He is married to Laurijntie Vink.
Permission for the marriage has been obtained in Hontenisse on April 16, 1684.Source 1
datum: 16 apr 1684; naam bruidegom: Jacobus Stommelingh; naam bruid: Laurijntien Vincke; scan: 16; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QS7-89QJ-341F?i=131&cc=2036997
(2) He is married to Maria de Kock.
Permission for the marriage has been obtained in Hontenisse on July 1, 1691.Source 1
datum: 1 jul 1691; naam bruidegom: Jacobus Stommeling; weduwnaar van: Laurijntie Vink; naam bruid: Maria de Kock; scan: 29; link naar scan: https://www.familysearch.org/ark:/61903/3:1:3QSQ-G9QJ-34T8?i=28&cc=2036997