Marvel married Mary ROBLIN in 1798. Mary (daughter of Philip ROBLIN, UE and Elizabeth Esther MILLER) was born in 1778 in New York, USA; died on 17 Jun 1853 in Fredricksburgh Township, Lennox & Addington County, Ontario, Canada; was buried in Fredricksburgh Township, Lennox & Addington County, Ontario, Canada. [Group Sheet] [Family Chart]

1. John Charles GARRISON was born in 1796 in Adolphustown Township, Lennox & Addington County, Ontario, Canada; died on 19 Sep 1859.
2. Elizabeth "Betsy" GARRISON was born in 1797; died on 30 Jan 1868.
3. Philip Roblin GARRISON was born on 22 Oct 1800 in Adolphustown Township, Lennox & Addington County, Ontario, Canada; died in 1884.
4. James GARRISON was born about 1806 in Fredericksburg, Lennox & Addington, Ontario, Canada; died in 1871 in Fredericksburg, Lennox & Addington, Ontario, Canada.
5. Garrett Austin GARRISON was born in 1809; died in 1875.
6. Jonas GARRISON was born about 1813; and died.
7. Rhoda GARRISON was born in 1813 in Ontario, Canada; and died.
8. Jane Ann GARRISON was born in 1816 in Upper Canada; died on 23 Dec 1859 in Fredricksburgh Township, Lennox & Addington County, Ontario, Canada; was buried in Dec 1859 in Hay Bay, Adolphustown Twp., Lennox & Addington Co., Ontario, Canada.
9. Matilda Ann GARRISON was born on 16 Dec 1819 in Fredricksburgh Township, Lennox & Addington County, Ontario, Canada; died on 27 Mar 1855 in Fredricksburgh Township, Lennox & Addington County, Ontario, Canada; was buried in Fredricksburgh Township, Lennox & Addington County, Ontario, Canada.
10. Mary GARRISON was born about 1823; and died.
11. Christina GARRISON was born on 12 Sep 1823 in Fredricksburgh Township, Lennox & Addington County, Ontario, Canada; died after 1901.
12. Marvel GARRISON was born in 1824 in Ontario, Canada; and died.