sire (v.) Look up sire at Dictionary.com
"to beget, to be the sire of," 1610s, from sire (n.). Related: Sired; siring.
sire (n.) Look up sire at Dictionary.com
c.1200, title placed before a name and denoting knighthood, from Old French sire, from Vulgar Latin *seior, from Latin senior "older, elder" (see senior). Standing alone and meaning "your majesty" it is attested from early 13c. General sense of "important elderly man" is from mid-14c.; that of "father, male parent" is from mid-13c.