Sentence:  It was a quiet wedding. . . . Marshall P. Wilder, the humorist, who is a warm personal friend of the bride, <WSD>stood up with</WSD> her, and Mr. Cramer, who is connected in an editorial capacity with Frank Leslie's Illustrated Weekly, and Mrs. Cramer, were the only other witnesses. 
Meaning of the word marked with <WSD> tags:  In a wedding ceremony, to serve as best man or as maid of honor or as an official witness for (someone).