His mother was Petronella Donkers ( 1809 -- 1897 ) .
His father was Franciscus Swinkels ( 1798 -- 1867 ) , son of Brigitta Swinkels and Embertus Swinkels , and the third generation of Swinkels brewery family .
His mother was Petronella Donkers ( 1809 -- 1897 ) and his father was Franciscus Swinkels ( 1798 -- 1867 ) , son of Brigitta Swinkels and Embertus Swinkels , and the third generation of Swinkels brewery family .