Isac Gijsman
- Born: 12 Dec 1805, Leiden, , Zuid-Holland, Netherlands
- Marriage (1): Johanna Catharina Hoster on 10 May 1837 in Leiden, , Zuid-Holland, Netherlands
- Died: 12 May 1890, Leiden, , Zuid-Holland, Netherlands at age 84
 Noted events in his life were:
• Occupation: Kaarsenmakersknecht.
Isac married Johanna Catharina Hoster, daughter of Jacobus Holster and Katrina Duck, on 10 May 1837 in Leiden, , Zuid-Holland, Netherlands. (Johanna Catharina Hoster was born on 19 Nov 1801 in Leiden, , Zuid-Holland, Netherlands and died on 25 Apr 1876 in Leiden, , Zuid-Holland, Netherlands.)
|