Willem Adriaan ROSS, son of Pieter ROSS (logementhouder, boekdrukker) and Jacoba ELISABETH ANEMAAT, born Goes 08.04.1869, procuratiehouder, died Voorburg 07.01.1931.
He was married Leiden 27.04.1898 to
Maria Adriana Ariaantje Catharina BIERSTEKER, daughter of Wouter BIERSTEKER and Neeltje Pieternella DRONKERS, born Leiden 22.12.1875, died 's-Gravenhage 12.03.1963.