descendancy

Noun

 * 1)  The quality or condition of being a descendant.
 * 2)  Descendants considered collectively.
 * 3) * 1989, Ontario Genealogical Society, Families, Volumes 28-29
 * His sections in the book include Types of Genealogical Projects (pedigrees, lineages, descendancies, relationships).
 * 1)  The opposite of ascendancy; the condition of being in the process of losing power or control.
 * 1)  The opposite of ascendancy; the condition of being in the process of losing power or control.