Year after year it was the same—Peninnah would taunt Hannah as they went to the Tabernacle. Each time, Hannah would be reduced to tears and would not even eat. (1 Samuel 1:7 NLT)
When a father tells his child that his mother (which is his ex-wife) is a slut. The question is, was she a whore when he first married her? Even if she was, did he acknowledge her that way? Of course, he would have otherwise they would not have gone into the holy matrimony and they would not have borne with that child.