Are there any known characters related to sonic

Only in the pre-genisis wave Comics and Dic TV shows. Sonic's most well known relative from those is his Uncle Chuck, a scientist and chili-dog chef that sonic adores. He has also had two siblings and a mother in Sonic underground. A mother and father in the pre-genisis wave archie Comics. A sister and parents in the manga that introduced Amy Rose. And sega was at one point going to make a puzzle game called Sister Sonic that stared... Sonics Sister.
However non of these family members exist in the games as far as we can tell.