In $2005,$ Jonah sold a building to his two married sons: Bert and Charles. In $2015,$ Charles was thinking of severing the joirt tenancy, but before anything was said or done, Charles and Bert both drowned in a boating accident. Charles died immediately, but Bert died two months later, never having regained consciousness. Charles had willed his interest in the property to his wife and Bert had willed his to his son. On these facts, which of the following is false?

Charle's wife and Bert's son are not joint tenants

Bert's son is entitled to the whole property

Charle's wife and Bert's son are not tenants in common

As soon as they made the wills, the parties became tenants in common.