What is the connection between Christmas and Christmas father?

Father Christmas is the English expression for Santa Claus. Maybe the origin of sugar daddy- as candies are part of the hollidays. The French use the term Pere Noel- which means the same thing. Do not confuse with Pere Lachaise- lit. Father, the Chair- that"s a cemetery in Paris, and a big and famous one. ( Sarah Bernhardt a resident spirit).