[Footnote 9: Calapin, one of these royal infants, was saved
from his cruel brother, and baptized at Rome under the name
of Callistus Othomannus. The emperor Frederic III.
presented him with an estate in Austria, where he ended his
life; and Cuspinian, who in his youth conversed with the
aged prince at Vienna, applauds his piety and wisdom, (de
Caesaribus, p. 672, 673.)]