LYON: Samuel, m. Mrs.* Zerviah Grosvenor, Oct. 20, 1748
* A good possibility that "Mrs." is a title of respect, considering no marriages listing a Zerviah marrying a Grosvenor in the time period in either Pomfret or Woodstock are found and...
From Pomfret VR, v.1 p.5:
GROSVENOR, Zerviah, d. Lieut. Leicester & Mary, b. June 24, 1721