Mrs. Sinclair was the wife of Tom Sinclair until he died about one year prior to the events of the game. Soon after he died, her son, Francis, was born.
Events of Red Dead Redemption 2
After the player collects all of the rock carvings for Francis Sinclair, he will invite the player back to his house. When the player arrives, Francis is nowhere to be found. Soon, Mrs. Sinclair arrives carrying a baby. The player asks for her husband, Francis, to which she responds that her husband Tom died little over a year ago and that the baby's name is Francis. The protagonist, confused due to last seeing Francis as a grown man, tips their hat and apologises to Mrs. Sinclair before leaving.
- Red Read Redemption 2