Light of Your Life, Apple in Your Eye

Oberyn Martell has gone so long without meeting the woman whose name he wears, and he has watched the pain and folly of so many other fated couples, that he's of the mind that whoever Sansa is she is better off without him. At least until he receives a letter from Ned Stark, telling of a little girl with Oberyn on her hand. // Oberyn/Sansa Soulmates!AU prompt from montygreeness.