User blog comment:CircularBoat742/Brawl in the Family Extention/@comment-4946399-20170423163604/@comment-31323774-20170424201231

Lincoln does know because in another one of my fanfics, they nearly kill him. Check it out here

http://theloudhouse.wikia.com/wiki/User_blog:CircularBoat742/Fanfiction_-_A_Near_Death_Experience