people...
know the difference...t he word "xeem" refers to province. such as xeem hawj is from the "xeev" HO...named after the chinese govenor who ruled those hmong in that province. likewise, xeem Yaj is from "xeev yang", ruled by the chinese govenor Yang...
the true clan name are "dluag, vug, zag, dub, mob, etc..."
when you say "same clan marriage," you need to know what you meant. do you mean same family name? same place of residence? or same direct family such as a true sister?