Translations of "Yesterday's boys" (Sticky grammar points) for Thiuas

Original

The boys whom I saw yesterday were Karl and Jake

Translation

Translator
Kiriqik in um ihastahu attuí sathu Karu tá Gík.
Kiriq~ik in  um=i-has-ta-hu            attuí     sa-t-hu    Karu tá  Gík.
boy-PL   REL 1.AGT=PFV-see-3pl.PAT-PST yesterday be-3pl-PST Karl and Jake
 shumai