A Boniface gives __________
A Bamberger exit __________
A Murietta heads __________
A Bergeret kicked one
The answer is a four word phrase.
'Til death do us part
One name is different.
Bucket. Same as clue #1.
Length of blanks do not give an indication to the words that go there.
However, following the clues, there's a way of obtaining their lengths.
If you're sure (or mostly sure) about the word lengths then it might help to reorder the lines (DESC).