This is another article in the chapter Enormities from the classical manual on Sharia called Reliance of the Traveller. The articles are posted one by one in the order they are given in the book.
p61.0 FALSELY CLAIMING SOMEONE IS ONE’S FATHER
p61.1 The Prophet (Allah bless him and give him peace) said:
(1) “Paradise is forbidden to whoever falsely claims someone is his father, knowing he is not.”
(2) “Do not wish for fathers other than your own. For someone to wish for a different father is unbelief.”