Sara Stibbe was the youngest daughter of Samuel Stibbe and Marianne Schaapwol. She was born in London on 14 May 1882. She had an older sister Bella, who was born in January 1877 and was married to Zacharias van Moppes, and an older brother Nathan from 1879, who was married to Bella Israel from Lehrte, located in the Hannover region in Germany. Sara remained unmarried.
Her father Samuel Stibbe pas…