Sister Gertrude (Truus) Lemmens (14 July 1914 – 30 October 2000) was a Dutch nun and founder of Dar-ul-Sukun (Home of Peace), a home for the mentally handicapped, orphans and the aged in Karachi, Pakistan.
She received an award from the President of Pakistan in 1989 for her work.
She was the sister of Father Salesius Lemmens OFM who served the city of Karachi from the mid-1930s until his death from accidental drowning in 1942 on an outing with the handicapped children. Young Sister Gertrude was already engaged to marry her fiancé back in the Netherlands who was a university professor there. Her fiancé came after her to Karachi to convince her and to take her back with him. But Gertrude Lemmens strongly felt committed to her work in Karachi. She refused to go back and broke off the engagement. Later she once explained that her fiancé had felt terrible but he was not angry.
In October 1939, at the age of 25, L