Family: Lt. Commander Edgar William Grace, R.N. / Mary Adelaide Jean Prentice Nimmo (F2647)
m. 19 May 1928Admiral Henry Edgar Grace (1876-1937) 
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Alice Catherine Slaughter (1870-1936)
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| Adam Prentice Nimmo ( -1929) |
| Lt. Commander Edgar William Grace, R.N. (1900-1978)
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| Mary Adelaide Jean Prentice Nimmo (1903-1973)
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Major Hamish William Nimmo Grace (1929-1984)  |