Frederick Rowan-Hamilton (1850-1941) (1850–1941) Parents Archibald Rowan-Hamilton Catherine Caldwell Children Gawaine Basil Rowan-Hamilton Siblings Mary Rowan-Hamilton George Rowan-Hamilton Sidney Rowan Rowan-Hamilton Helen Rowan-Hamilton Gawin Rowan-Hamilton Hariot Hamilton-Temple-Blackwood, Marchioness of Dufferin and Ava Partners Blanche Mary Fellowes-Gordon