Cantatore and Brophy connection?

[loetar44]

When Mary Surratt was reburied at Mt. Olivet in 1869 a Mrs. Cantatori (Cantatore) rode in the carriage. She was a niece of President Tyler. Why was she invited? What is her connection with the Surratts? Is there a connection with John P. Brophy, family friend of the Surratts? Also Brophy married a niece of President Tyler (Elizabeth Warren/Watts Tyler in Sept. 1866). I think Mrs. Cantatore was Sarah, who married John Cantatore, an Italian. At

http://scdb.swem.wm.edu/index.php?p=coll...2221&q=dog

a Jan. 23, 1868 letter of John Tyler, Jr. to Andrew Johnson is summarized: “The movement is going in the right direction and the adversary should be overthrown; nothing can stop him [JT] when he is doing what he thinks it right; has consistently supported him [AJ]; if he [JT] cannot do what he needs to be done, then appoint John Cantatore or John P. Brophy”.