premise1 : Settlers were here un-invited
premise 2 : uninvited guests = illegals/undocumented
conclusion : settlers = illegal illegal immigrants
conclusion : descendants of those settlers were also illegals.
Premise 1 : Founding fathers were descendants of those settlers , therefore they were here illegally.
Premise 2 : Founding fathers formed the country called usa
Conclusion : Since the founding fathers were illegals, the country they formed were also illegal.
Conclusion : Since the country is illegal country, therefore, immigration laws are illegal law.