Sources:

(1) To get the correct spelling of her surname, I ordered, in December 2005, the death record of her sister Florence Erasmus: Depot: TAB. Source: MHG. Leer. 01. Ref. 1801/1965. ERASMUS, FLORENCE EILEEN. S/S: Jacobus Johannes Erasmus. (At least I hope this is the right person.)

(2) Other possibilities to try later: KAB. 1/WBG. Leers. Vol. 65. System 02. Ref. 33/2/6/2468. Part 1. Descrip.: Protection of children. Committals. Erasmus, Florence. 1944-1945.

(3) KAB. 1/PRL. Leers. Vol. 6/1/25. System 01. Ref. 33/2/4/301. Part 1. Descrip.: Protection of children. Committals. Erasmus, Florence. 1946-1947.