Helena Hakker (daughter of Jan Hakker and Johanna Laan) was born 30 Jul 1888 in Katwijk, and died 20 Dec 1972 in Den Haag. She married Henri van de Beek on 01 Mar 1911 in Den Haag.
More About Helena Hakker and Henri van de Beek: Marriage: 01 Mar 1911, Den Haag.
Helena Hakker (b. 30 Jul 1888, d. 20 Dec 1972)