The summons was to the residence of Clerval d'Trastinora, and his wife Marian, which you quickly find your way to with some help from the local guardsmen. The house is small for a noble family, especially one with six children. From what you know of the elven nobility, a family with that many children should receive great amounts of money from the state, and should have a large property. However, that does not seem to be the case here.
When you knock on the door, an elven man answers. He is clearly exhausted, with dark bags under his eyes. "Are you the healer we asked for?"