One of the wife's brothers had come.
( ( One ( of ( ( the ( wife 's ) ) brothers ) ) ) ( ( had come ) . ) )
(ROOT (S (NP (NP (CD One)) (PP (IN of) (NP (NP (DT the) (NN wife) (POS 's)) (NNS brothers)))) (VP (VBD had) (VP (VBN come))) (. .)))
We were surprised to see everyone in the family there except both of my wife's brothers.
( We ( ( were ( surprised ( to ( ( see ( everyone ( in ( the family ) ) ) ) ( there ( except ( both ( of ( ( my ( wife 's ) ) brothers ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBD were) (ADJP (JJ surprised) (S (VP (TO to) (VP (VB see) (NP (NP (NN everyone)) (PP (IN in) (NP (DT the) (NN family)))) (PP (ADVP (RB there)) (IN except) (NP (NP (DT both)) (PP (IN of) (NP (NP (PRP$ my) (NN wife) (POS 's)) (NNS brothers)))))))))) (. .)))