so i got a letter from embassy scheduled me from interview, they are asking me to provide Proof of custody of children from sponsor’s previous marriage, my common law partner is married legally but been separated for almost 3 yrs now, the kids costudy was with his ex wife since the kids are below 7 yrs old so automatucally in philippine law the kids costudy will be with the mom unless my partner file a case which he did but he widraw the case and just had an oral agreement with his ex wife, now my problem is what am i gona provide? why does this even matter? the kids are canadian citizen because of there dad, im going nuts wthingking about this, please help me :'(