Margherita Lancia

diede in sposa la sorella del L., Margherita, a Ruggero di Lauria.

• http://www.treccani.it/enciclopedia/corrado-lancia_(Dizionario-Biog...

 {there are 2 Corrado: Treccani's studies distinguish them distinctly, ML no}:

1. Corrado Lancia, 1st count of Caltanissetta (Margherita's BRO)
2. Baron Corrado Lancia, de Castel Minardo

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Unfortunately around the Emperor's Lover the Lancia lines become confused, with 3 apparently accredited solutions. Here on GENI after long examinations and attempts with the line suggested by MedLands it's possible with a bit of elasticity to match almost everything:
The old Lancia tables were followed up on until the conflicts with Medlands, then in this case the descriptions of her husband & BRO were used to merge the Tables in the MedLands theory.

/!\ -http://fmg.ac/Projects/MedLands/MONFERRATO,%20SALUZZO,%20SAVONA.htm...

• /!\ 4. GALEOTTO (-beheaded Naples, Piazza del Mercato 29 Oct 1268). ... ...
  • b) MARGHERITA ([1260/68]-). The Chronicle of Ramon Muntaner records that "une des sœurs de Corral Llança encore toute jeune" accompanied her brother to Catalonia (in 1262) and later married "Roger de Luria"[843].

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/!\ -http://www.genmarenostrum.com/pagine-lettere/letteral/Lancia-Lanza/...

• /!\ D2. Corrado (+ 1299) 1° Conte di Caltanissetta, Gran Cancelliere del Regno di Sicilia nel 1297 = ……..
  • E3. Margherita (+ ca. 1279) = 1273 Ruggero di Lauria (o Lloria) Ammiraglio di Catalogna (vedi)

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