OverSeer-Of-The-Rain

Nightwalker is the cousin of Songblade, Megatron and Cascade.

Radar is Ratchet's nephew and he is cousins with Moonbeam, Comet and Tempest.

Bluefire is cousins with Stardust and Cloudburst.

Echo is Soundwave's sister

WhiteRain and ShadowSeeker are brother and sister.

Dagger, Scorpio, Blackstorm, Ares, CrimsonTide, Dragonstorm and Brightburn are brothers though Brightburn is said to be Megatron's son and Primrose's half-sister.

Causeways Shockburner is sister to Iridescent Darkwave and they are half sisters to Windrunner, Redblade and Crossfire.

Salvage is brother to Shockwave and their cousin is Amplifier.

BlackBlade is brother to GreyBlade and WhiteBlade.

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Maleficent is sister to Paradox and is cousin to Red Moon, Clarity and BlueStar.

Red Moon is sister to Clarity and BlueStar.

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Earthquaker is sister to Skyquake and Dreadwing. She is also cousin to Salvage and is cousin to ShadowSeeker.