PHOIBE (or Phoebe) was the Titan goddess of the "bright" intellect and was the wife of Koios

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I believe Baucis was the wife of Philemon according to Greek Mythology.

Yes, in Greek mythology, Leto's parents were the titans Phoebe and Coeus.

First: Phoebe was a Titan, not a goddess. Phoebe, in Greek mythology, a Titan, daughter of Uranus (Sky) and Gaea (Earth). By the Titan Coeus she was the mother of Leto and grandmother of Apollo and Artemis. She was also the mother of Asteria and Hecate. ... In later mythology she was identified with the moon, as were Artemis and her Roman counterpart Diana.

SHE HAS BROWN HAIR, PALE SKIN, AND SHE IS GORGEOUS!