Whakaotihia te rerenga e whai ake nei: Ko tana tuakana, ko John Q. Marr (1825<unk>1861), i whakaako i te Virginia Military Institute (VMI) hei kaiāwhina mo te pāngarau me te rautaki i muri i tana tohu, engari i hoki mai ia ki te kaainga i te 1848 ki te tiaki i tona whaea me ona tuahine Sarah / Sally (1819-1895), Margaret (1830-1903), Frances, me Jane (1840-1927). Ko ona tuakana, ko Thomas Scott Marr (1830-1897) me James Ripon Marr (1832-1879), i wehe atu i te kaainga i te tau 1850. Ko tana tuakana, ko Robert Athelstan Marr (1823-1854), he Lieutenant i te United States Navy; i uru ia ki te Pakanga o Mexico-American; i pupuhi te pupuhi tuatahi i te pakanga.
whakaeke moana i runga i Vera Cruz; a ka ngaro i roto i te Moana Karipiana ki te kaimahi katoa o te USS "Albany", i Oketopa, 1854.