Question: Who was a British suffragist and an early advocate of birth control in the United Kingdom, who died leaving  their son to be raised by his paternal grandparents ?
Sentence (from "Frank Russell, 2nd Earl Russell"): John Francis Stanley Russell, 2nd Earl Russell, known as Frank Russell (12 August 1865 – 3 March 1931), was the elder surviving son of Viscount and Viscountess Amberley, and was raised by his paternal grandparents after his unconventional parents both died young.
Relevant evidence: Yes