Perception 1d20 + 9 ⇒ (3) + 9 = 12, to read lips? Sense Motive 1d20 + 12 ⇒ (3) + 12 = 15, any falsehoods?
Sand Lotus... The old scholar retreats into his mind palace to turn up where in the wide world he might have heard that term before.
Knowledge (nobility) 1d20 + 12 ⇒ (4) + 12 = 16, Knowledge (history) 1d20 + 11 ⇒ (6) + 11 = 17, Knowledge (local) 1d20 + 11 ⇒ (18) + 11 = 29, Knowledge (religion) 1d20 + 12 ⇒ (3) + 12 = 15
He doesnt seem to lie and his mouth movements do not make any sense to the old wizard.
He does however remember hearing of a slave in Isteroth who defied her masters, was arrested, overpowered her captors, was arrested again, fought her way through the fighting pits to become Grand Champion, fought her way free of the slave pens and disappeared into the desert sands to the north of her homeland. She resurfaced nearly a decade later, but has been mostly idle as far as the wizard knows.