John "Jack" Griffith London
Here's a sophisticated and well-researched entry from the Wikipedia. London's life is sometimes based upon errors of earlier biographers. This entry avoids those.

Flora Wellman
London's mother was from a well-to-do Ohio family, but moved West, where she became involved in women's rights, African-American rights, and more.

John London
Flora Wellman married John London after the birth of her son John. Until adulthood, he believed the man was his father.

William Chaney
Chaney is considered the biological father of London. He deserted Flora when she became pregnant.

Virginia Prentiss
This ex-slave was essentially a second mother to London, and he considered her such.

Elizabeth "Bess" Maddern
Bess was London's first wife and mother of his two children. They were good friends before they married.

Joan London
Joan most resembled her father in becoming politically active on behalf of the working class.

Bess "Becky" London
Unlike her sister, Becky did not publicly associate herself with her father until late in life.

Charmian Kittredge
London's second wife became a writer and celebrity in her own right. Explore how here.

Eliza London
London's older stepsister was a key figure in his life, and became his ranch manager.

Jack London Timeline
From a now closed website, jacklondons.net. Retrieved by way of the Internet Archive.