Surname Diadkin (Diadkin , Дядькин ) , across the world, is a rare cognomen. The cognomen Diadkin is habitual in Russia, where it is a rare surname, Kyrgyzstan, and Kazakhstan.
Диадкин, and Дядкин
, Дядькин 
) , across the world, is a rare cognomen. The cognomen Diadkin is habitual in Russia, where it is a rare surname, Kyrgyzstan, and Kazakhstan.