The cited information was sourced from Book published in Попадьино on November 28th, 1883 held in Рязань (Ref: л91об №56) This citation is considered to be direct and primary evidence used, or by dominance of the evidence.
Source Notes
восприеники Павел Никифорович Губанов и вдова Ирина Ивановна Мяхкова