Plainfield — Katherine Hope Nintzel and Alexander Edgecombe Kipka were married on May 11, 2013. The ceremony and reception took place at the home of the bridegroom’s mother in Dublin, N.H. The bride’s stepbrother, Thomas Eberhardt, performed the ceremony. The bride is the daughter of Alice Eberhardt, of Plainfield, and Jeffrey Nintzel, of Grantham. She graduated from Kimball Union Academy in 1998 and earned a bachelor’s degree from Amherst College in 2002. She is employed as a senior editor at HarperCollins Publishers in New York City. The bridegroom is the son of Rovena Robinson, of Dublin, and Robert Kipka, of Peterborough, N.H. He graduated from …