You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
step daddy
A stepfather or stepdad is a non-biological man married to one's parent.
A stepfather-in-law is a stepfather of one's spouse.
The children of the stepfather-in-law would be the person's stepbrothers-in-law and stepsisters-in-law.