Heron Talon corrupted Owlstar and Frostspirit. Owlstar corrupted Ravenmask who corrupted Mossfoot, Nightflame, Crowscar, Darkwish, Ambermoon
Frostspirit corrupted Shadowstorm
Shadowstorm corrupted Ravenclaw and Turtlepelt
Nightflame corrupted Yarrowpaw (who snapped out of corruption)
Crowscar corrupted Bloodfang (Bloodstar)
Heron Talon is Ravenmask's great, great, great, great, great, several more greats grandfather
Crowscar, Nightflame, and Ambermoon are siblings
Darkwish is Crowscar's mate
Ravenmask is Shadowstorm's mother
Shadowstorm and Frostspirit are mates (it is better not to ask)
Shadowstorm is Ravenclaw's mother and Turtlepelt's grandmother
Ravenclaw is Turtlepelt's aunt
Yarrowpaw is Bloodfang's haft-son (since Bloodfang's mate cheated on her with the Medicine Cat)
I am talking about Ravenclaw in Eclipse Warriors not Shadeheart's mother