7 0 - ▁Amsterdam , ▁ 2 5 ▁March ▁ 1 7 4 9 ) ▁was ▁a ▁Dutch ▁adm iral . ▁ ▁Life ▁ ▁On ▁his ▁eigh teenth ▁birth day , ▁Gra vé ▁entered ▁the ▁service ▁of ▁the ▁Admir alty ▁of ▁Amsterdam , ▁in ▁ 1 6 9 1 ▁becoming ▁l uit enant - ter - ze e . ▁ ▁In ▁ 1 6 9 8 , ▁he ▁became ▁bu iten ge wo on ▁kap ite in ▁( capt ain - extra ordinary ). ▁ ▁He ▁married ▁Lu cia ▁van ▁Mol lem ▁in ▁ 1 7 0 4 ▁in ▁the ▁Wald ens ian ▁church ▁in ▁U tre cht , ▁and ▁they ▁had ▁one ▁son , ▁Hend rik ▁( 1 7 0 9 – 1 7 3 8 ), ▁and ▁one ▁daughter , ▁Jacob a . ▁ ▁In ▁ 1 7 1 3 , ▁Hend rik ▁became ▁a ▁full ▁captain . ▁ ▁In ▁ 1 7 1 6 , ▁Gra vé ▁led ▁a ▁con voy ▁to ▁the ▁Balt ic ▁Sea ▁and ▁in ▁ 1 7 1 7 ▁became ▁comm ande ur ▁with ▁the ▁Admir alty . ▁ ▁In ▁ 1 7 1 8 ▁he ▁became ▁the ▁owner ▁of ▁the ▁fine ▁N ieu we ▁Her eng racht ▁ 9 9 , ▁well ▁known ▁for ▁art ▁con no isse urs ▁due ▁to ▁the ▁five ▁gig antic ▁ ▁hunting ▁still ▁lif es ▁by ▁Jan ▁We enix . ▁ ▁By ▁ 1 7 2 1 ▁Hend rik ▁Gra vé ▁had ▁moved ▁to ▁K lo ven iers burg wal