Samson's wife's father gave her in marriage to Samson's friend. This can be stated clearly. Alternate translation: "took Samson's wife and allowed her to marry Samson's friend" (See: [[rc://en/ta/man/translate/figs-explicit]])
The phrase "burned up" means to burn something completely. If a person is "burned up," it means that person is burned to death. (See: [[rc://en/ta/man/translate/figs-idiom]])