Johanna Catharina Verwer
- Born: 1861, Leiden, , Zuid-Holland, Netherlands
- Marriage (1): Joseph Philipus Wassenaar on 27 Dec 1888 in Amsterdam, , Noord-Holland, Netherlands
- Died: 15 Apr 1941, Leiden, , Zuid-Holland, Netherlands at age 80
Johanna married Joseph Philipus Wassenaar, son of Joseph Phillipus Wassenaar and Aagje Holster, on 27 Dec 1888 in Amsterdam, , Noord-Holland, Netherlands. (Joseph Philipus Wassenaar was born on 23 Aug 1860 in Leiden, , Zuid-Holland, Netherlands and died on 22 Mar 1932 in Weesp, , Noord-Holland, Netherlands.)
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