Three Cousins in the Senate?

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From RealClearPolitics:

The retirement of Sen. Pete Domenici, which he is expected to announce today from Albuquerque, sets up the possibility of a bid by Rep. Tom Udall (D-NM), son of the late Rep. Stewart Udall (D-AZ) and cousin of Rep. Mark Udall (D-CO), who is running for Senate himself. But what we overlooked, which Taegan Goddard points out today, is that a third cousin to both congressmen, Oregon Sen. Gordon Smith, a Republican, is running for re-election. Have three first cousins ever been on the ballot for Senate in the same year before?

If Rep. Tom Udall becomes Sen. Domenici’s successor, he will join Sen. Reid as another Democrat senator who is LDS.  Sen. Smith is also LDS while Rep. Mark Udall has no religious affiliation

UPDATE:  Alas, it’s not to be.  Rep.  Tom Udall opts not to run for the Senate.