Answer:
I think it's un.
Explanation:
Un means my in French. Un is the masculine version of my. So, since you're talking about "my father's little cousins" you would have to go with a masculine version of un.
Lol. Basically, it's the last option. :)
Wait i’m confused please put the picture in
1. Ils vont au parc.
2. C'est le chat du garcon.
3. Je vais visiter mon oncle a l'hopital.