Rachel is een dochter van Eliazer Asscher (A'dam, 10 juli 1845) en Rosalie van Hes (A'dam, 5 nov 1845). Ze trouwde 22 december 1921 met Elia IchenHäuser (Frankfurt a/M, 6 juli 1878).
In addition, a Jokos file (number 25030) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 5539/12992).