"Gregory Blaxland, the 7th son of the eponymous explorer Gregory Blaxland" . . . . . . . . . . . "Gregory Blaxland" . . . . . . . "Gregory Blaxland junior" . . . "Gregory Hamilton Blaxland" . . . "Gregory" . "Blaxland, Gregory" . . . . . "1778" . . . . "1778-06-17" . . . . "Blaxland" . . . . "Gregory Blaxland" . . . "1853" . . . . . . . . . . . "1853-01-01" .