Father Lawrence Lambare[1] is a priest who worships Saradomin in his church in north-east Varrock. He is often drunk when talked to and also claims that he is holding a congregation, although both of his followers are asleep in their seats. He is a close friend to Romeo and he knows a lot about the struggles between Romeo's and Juliet's families. Father Lawrence is the person who suggests that you make a cadava potion during the Romeo & Julietquest to help Romeo marry the love of his life, Juliet.
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Trivia
His name is a reference to the character Friar Lawrence in the original Romeo and Juliet play.