He is married to Hopestill Snow nee Alden.
They got married in the year 1689 at Bridgewater, Plymouth, Massachusetts, United States, he was 25 years old.Sources 2, 7
They got married at Iowa.Source 3Child(ren):
unverified marriage - some of the sources seem to question the marriage to Joseph and brother James. From these sources it appears either one married an Alden - Joseph m. Hopstill Alden?? and James m. Rebecca Alden???
http://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=31911461&pid=687/ Ancestry.com