Gawin Rowan-Hamilton Anglo-Irish author (1844-1930) (1844–1930) Parents Catherine Caldwell Archibald Rowan-Hamilton Children Archibald James Rowan-Hamilton Orfla Melita Rowan-Hamilton Siblings Mary Rowan-Hamilton Frederick Rowan-Hamilton George Rowan-Hamilton Sidney Rowan Rowan-Hamilton Helen Rowan-Hamilton Hariot Hamilton-Temple-Blackwood, Marchioness of Dufferin and Ava Partners Lina Mary Howley Beaumont