She walks down the aisle as her flowing and cathedral-length veil is positioned behind her. Naomi and Peter Neal exchange their vows on the White House’s South Lawn in front of over 200 guests. President Joe Biden ‘s granddaughter Naomi Biden and Peter Neal were married Saturday in just the 19th wedding in the history of the White House, exchanging vows on the South Lawn in unseasonably cold temperatures in front of scores of family and friends.