The titles are hereditary in male lineage.

A similar preservation of a highly resolved male lineage has been reported elsewhere only for Jewish priests".

In this convention there are no family names, instead one is known through their immediate male lineage.

These fewer male lineages are more sensitive to drift and would most likely coalesce on a more recent common ancestor.

Many patriarchal societies are also patrilineal, meaning that property and title are inherited by the male lineage.

Land is passed down through male lineage which reinforces women's exclusion from land ownership.

Gotra is transferred down the male lineage while the Gotra of a female changes upon marriage.

Their given names, in the male lineage, remained unchanged throughout the generations; their surnames ran like rivers through human history.

The practice may have been common in human history and would explain why so many male lineages have gone extinct, leaving a single survivor.

Their titles had to come from the male lineage to be recognized as senoras naturales.