Federico Hohenstaufen

Son of King MANFRED von Hohenstaufen and his second wife.

-http://fmg.ac/Projects/MedLands/SICILY.htm#Beatricedied1307

4. FEDERICO of Sicily (-after 2 Jun 1312). He suffered the same fate as his brother Enrico. A charter dated 9 Jan [1295] names "Henrici, Frederici ac Anselmi fratrum filiorum naturalium quondam Manfridi principis Tarentini in castri…sancte Marie de Monte Carcere"[694]. A charter dated 26 Apr [1297] names "Henricum Fredericum et Aczolinum filios quondam principis Manfridi qui in dicto Castro [=castri Sancte Marie de Monte]…detinentur"[695]. A charter dated 25 Jun 1299 names "Henricum Fredericum et Encium filios quondam Manfridi…principis Tarentini"[696]. According to Haverkamp, he escaped from prison in the early 1300s, stayed at various European courts and supposedly died in Egypt in 1312[697].

Medlands (and other sources I have seen) do not address the issue of whether, after his escape from prison; did Federico marry and have children?

There are many on-line family trees that contend that he married Giovanna Di Antiochia and had a son and a daughter. I believe many (or all) of these references originate from an entry in Malta Genealology, a source of dubious quality. Still investigating.

/!\ https://www.maltagenealogy.com/hohenstaufen /!\

1.1.1.2.1.3.2. Federico di Siciliano, d.after 2 Jun 1312, married Giovanna di Antiochia, (See on this page), with issue.
1.1.1.2.1.3.2.1. Helene di Siciliano, 1305 - 48., married to Conradin von Sueva, (See on this page).
1.1.1.2.1.3.2.2. Manfredo di Siciliano 1303 - 51., married to Marianna di Chieti, (See on this page), with issue.