Marie-José Keijzers: Sara is een dochter van Jacob Bolle en Matthea van Velzen. Ze trouwde 6 maart 1907 met Marcus Mok. Bron wiewaswie.nl (huwelijk Sara Bolle)
My name is Michelle Polak and I am related to Sara Mok Bolle. Betje Bolle is my great grandmother. I live in Canada and I am researching our family's roots.
My grandfather was Willem Polak.
In addition, Jokos files (numbers 60428, 53916) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos files reveal that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 1).