Kammala wannan jumla: Sir John Acworth Ommanney wanda ya gina Northbrook Park an haife shi ne a 1773 a Westminster, London. Mahaifinsa shi ne Admiral Cornthwaite Ommanney. John ya shiga rundunar sojan ruwa lokacin yana da shekaru 13 kuma ya yi aiki a kan jiragen ruwa da yawa kuma yana da shekaru 19 kawai aka nada shi Lieutenant. Daya daga cikin nasarorin da ya fi tunawa shi ne rawar da ya taka a cikin
Yaƙin Navarino. Shi ne Kyaftin na jirgin ruwa na Albion kuma an ba shi kyauta tare da taka muhimmiyar rawa a cikin nasara. George Philip Reinagle ya yi wani zane-zane a 1828 na jirginsa Albion a lokacin yakin da za a iya gani a wannan haɗin. Don wannan hidimar an ba shi lambar yabo ta CB da kuma Faransa Order of Saint Louis, da Rasha Order of Saint Vladimir da kuma Order of the Redeemer of Greece.