First given name from information forwarded by Robert (Robbie) Craig Marshall-Smith, in an email dated 1 October 2023. Reference is "John and Mary Rogers - settlers from Cornwall" written by Kathie Furlong.
Robbie is the x2 great-grandson of John William Alldridge and Freida Linda Rogers. Frieda’s older sister, Ambrosine, married Frank Richard Oliver, sone of Samuel Oliver 1819-1873 (The Miller).