The Koinonians destroyed themselves after a war which spanned several generations. Starfleet believes the extinction was self inflicted. The race used subspace proximity detectors as a form of weapon.
	Jeremy's father died five years ago from a Rushton Infection.
	The Klingon R'uustai ceremony involves the lighting of ceremonial candles and two subjects exchanging robes for them to become "brothers".
	Worf lost his parents when he was six. They were apparently killed in battle, and he was cared for by humans.

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