ge ve en ▁( 1 ▁February ▁ 1 6 5 9 ▁– ▁ 3 1 ▁January ▁ 1 7 2 9 ) ▁was ▁a ▁Dutch ▁expl orer ▁who ▁was ▁sent ▁to ▁find ▁Terra ▁Austral is , ▁but ▁instead ▁discovered ▁E aster ▁Island ▁( called ▁so ▁because ▁he ▁land ed ▁there ▁on ▁E aster ▁Sunday ). ▁Jacob ▁Rog ge ve en ▁also ▁discovered ▁B ora ▁B ora ▁and ▁Mau p iti ▁of ▁the ▁Society ▁Islands ▁and ▁Sam oa . ▁He ▁planned ▁the ▁expedition ▁along ▁with ▁his ▁brother ▁Jan ▁Rog ge ve en , ▁who ▁stayed ▁in ▁the ▁Netherlands . ▁ ▁Early ▁career ▁His ▁father , ▁Ar end ▁Rog ge ve en , ▁was ▁a ▁math ematic ian ▁with ▁much ▁knowledge ▁of ▁astronom y , ▁ge ography , ▁r het or ics , ▁philosophy , ▁and ▁the ▁theory ▁of ▁navigation ▁as ▁well . ▁He ▁occupied ▁himself ▁with ▁study ▁of ▁the ▁myth ical ▁Terra ▁Austral is , ▁and ▁even ▁got ▁a ▁pat ent ▁for ▁an ▁expl or atory ▁exc urs ion , ▁but ▁it ▁was ▁to ▁be ▁his ▁son ▁who , ▁at ▁the ▁age ▁of ▁ 6 2 , ▁eventually ▁equ ipped ▁three ▁ships ▁and ▁made ▁the ▁expedition . ▁ ▁He ▁became ▁not ary ▁of ▁M idd el burg ▁( the ▁capital ▁of ▁the ▁province ▁of ▁Ze eland , ▁where ▁he ▁was ▁born ). ▁On ▁ 1 2 ▁August ▁ 1 6 9 0 , ▁he ▁graduated ▁as ▁a ▁doctor ▁of ▁the ▁law ▁at ▁University ▁of ▁Hard er w ijk . ▁He ▁married ▁Mar ija ▁Mar