Trent Williams
Trent Williams ( born July 19 , 1988 ) is an American football offensive tackle for the San Francisco 49ers of the National Football League ( NFL ) . 
<triplet> Trent Williams <subj> July 19, 1988 <obj> date of birth <subj> American football <obj> sport <subj> San Francisco 49ers <obj> member of sports team <triplet> offensive tackle <subj> American football <obj> sport <triplet> San Francisco 49ers <subj> American football <obj> sport <subj> National Football League <obj> member of <triplet> National Football League <subj> American football <obj> sport