Sup, iam Ruth Crabtree, Don’t overdo it!
How Did John Become Jack? [Solved]
It dates back to the 13th century. In medieval English, diminutives would form on some names by adding -kin to the end, a formation borrowed from Dutch. The medieval equivalent of ‘John’ was ‘Jan’, which became ‘Jankin’, then ‘Jackin’, and finally ‘Jack’.
Becoming Captain Jack- Pirates of the Caribbean 1 special features
Johnny Depp as Captain
John Makes Little Jack Cry - Red Dead Redemption 2
Jack Black Performs His Legendary Sax-A-Boom with The Roots
Jack