Susan Foster Oliver and Douglas Campbell Kerridge were married on August 27. The Rev. Dr. Timothy B. Cogan performed the ceremony at the Old Whaling Church in Edgartown.

Susan, 34, is vice president of strategy for TONIX Pharmaceuticals in New York city. She attended the Lawrenceville School in Lawrenceville, N.J., and graduated from Bowdoin College with an AB in classics and archaeology. She also received an MPhil in fine and decorative arts from Christie’s in London and an MBA from New York University’s Leonard N. Stern School of Business.

She is the daughter of Daniel Oliver and Anna Louise Vietor Oliver of Washington, D.C. and Edgartown. Her mother served as ambassador to UNESCO in Paris, France, from 2004 to 2009. Her father was chairman of the Federal Trade Commission under President Ronald Reagan and is currently a senior director of the White House Writers Group in Washington, D.C.

Douglas, 44, is a managing director in the investment banking group at Natixis in New York city. He attended Westminster School in Simsbury, Conn., and graduated from Lafayette College with a BA in government and law.

He is the son of James Gordon Kerridge and stepson of Joyce Kerridge of St. Michaels, Md., and the son of Jeanne Wertz Kerridge of Annapolis, Md. His mother is a corporate travel consultant for Wartsila NA. His father is chairman and founder of the Highland Group, a global consulting firm.

The liturgy for the marriage ceremony was drawn from the 1549 Prayer Book, with emendations from the 1749 Prayer Book, the creation of which was overseen by Samuel Seabury, the first bishop of the Episcopal Church in America and the bride’s great-great-great-great-grandfather.

The bride was wearing an antique French lace veil that belonged to her great-great-great-great-great-grandmother whose father, Claude Antoine de Tours, was guillotined during the Reign of Terror in the French Revolution.

The bride’s great-grandmother, Martha Knox Orr (Mrs. Carl L. Vietor), was born in Cottage City (Oak Bluffs) on Martha’s Vineyard and was a summer resident for many years, as was her son and his wife, Mr. and Mrs. Alexander Orr Vietor and their children, among whom is the bride’s mother.