You can find a lot of information about the caste system of India, specifically, by doing a google search. If you can provide us more details, perhaps we can more explicitly provide a more informed answer, since it is a little unclear what you are asking or what you mean by "Dharma of lineage."
Joyful in hope, suffering in tribulation, be thou constant in thy prayer.
Benedictis, qui venit in nomine Domini. Osanna in excelsis.
"Blessed is he who comes in the name of the Lord. Hosanna in the highest!"