Cameron Tucker's Nephew
Missouri, USA (possibly)
S1 - S2 - S3 - S4 - S5 - S6
is the nephew of Cameron Tucker
He is mentioned in "En Garde" where Mitchell mentions the nephew's christening celebrations.
It's very unlikely that Pam is his mother because she is said to be single in her appearance in "Farm Strong", so it's likely one of the two unnamed Tucker siblings.