Robert married Margaret LAWRENCE, .5 DUE on 14 Dec 1813 in St. James Anglican Cathedral. Margaret (daughter of Lieut. Richard LAWRENCE, , UE and Mary WILLSON, DUE) was born est 1797 in Town of York (Toronto), York Co., Ontario; died on 3 Jun 1842 in Town of York (Toronto), York Co., Ontario; was buried in 1842 in Mount Pleasant Cemetery, Potter's Field, Toronto. [Group Sheet] [Family Chart]

1. Dr. Richard Lawrence JOHNSTON, Senior was born on 19 May 1816 in Toronto, York Co., Ontario; died on 19 Aug 1890 in Esquesing Twp., Halton Co., Ontario; was buried in Mount Pleasant Cemetery, Potter's Field, Toronto.
2. Mary Ann JOHNSTON, .1 was born on 17 Mar 1818 in Toronto, York Co., Ontario; died on 19 Jun 1887 in Waterdown, E Flamborough Twp., Wentworth Co., Ontario; was buried in Toronto Necropolis Cemetery.
3. Thomas.2 JOHNSTON was born est 1819 in Ontario, Canada; died after 12 Aug 1843 in Toronto, York Co., Ontario.
4. Mary JOHNSTON, .2 was born est 1820 in Ontario, Canada.
5. Margaret JOHNSTON, .1 was born on 18 Dec 1823 in Toronto, York Co., Ontario; died on 20 Sep 1896 in Waterdown, E Flamborough Twp., Wentworth Co., Ontario; was buried on 25 Sep 1896 in Toronto Necropolis Cemetery.
6. Sarah JOHNSTON, .1 was born in 1826 in Toronto, York Co., Ontario; died on 22 Aug 1851 in Toronto, York Co., Ontario; was buried in Dec 1825 in Mount Pleasant Cemetery, Potter's Field, Toronto.
7. Margaret .2 JOHNSTON, .2 was born in 1827 in Toronto, York Co., Ontario.