an ancestor, especially the first in a line of descendants

the firstborn child

पूर्वज

English Usage: He is considered the primogenitor of the modern family tree.

Hindi Usage: उसे आधुनिक परिवार वृक्ष का पूर्वज माना जाता है।

a founder or originator of a family line

परिवार की रेखा का संस्थापक

English Usage: Her great-great-grandfather was the primogenitor of their illustrious lineage.

Hindi Usage: उसके परदादा परिवार की प्रभावशाली वंशावली के संस्थापक थे।