Note *219 — Chapter XIII
Reading edition
His sister, not his aunt. It was Elisabetta, the third child of Federigo, who married Roberto Malatesta, illegitimate son of Sigismondo. Roberto and Federigo of Urbino died on the same day (cf. Allegretti, ap. Fabr. II., 245, and E.G. Gardner, Dukes and Poets at Ferrara (Constable, 1904), p. 184).