Man Next Door<br>When my ex husband moved out, everything was a mess. The house was dirty and covered in mud from the destruction he caused. The man next door came over to check on us one day. When I told him what had happened, he came over and mowed my lawn. I tried to pay him for it, but he refused.
The ex-husband is separated from his former wife. 
The passage states that the husband is an ex-husband, so he is separated from his wife. 
( z1 separate :ARG1 ( z2 person :ARG0-of ( z3 have-rel-role :ARG2 ( z4 husband ) :time ( z5 ex ) ) ) :ARG2 ( z6 person :ARG0-of ( z7 have-rel-role :ARG1 z2 :ARG2 ( z8 wife ) :time ( z9 former ) ) ) )