Possible Clues:

• Word before "And crown thy good with brotherhood"
• Mennonite pronoun
• Old objective second person singular
• Old pronoun
• ''My country 'tis of ___ ...''
• For whom the bell tolls, in a John Donne poem
• ". . . I ___ wed"
• Fare-__-well
• "With this ring, I ___ ..."
• The first letter of 19 across is U, by the sound of it