House of Eça
Cadet branch of the House of Burgundy-Portugal
- Coat of Arms
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House of Eça
Lords of Eça, Azeitão and Aldeia Galega da Merceana -
House of Eça
Lords of Eça
Alternative arms variant from Livro Armorial
- Cadet Branches
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House of Vasconcelos Meneses
Lords of Cascais, Lourinhão, Sãolhaens and Mafra
Counts of Penela
Issued from Afonso, illegitimate son of João de Portugal, Duke of Valência de Campos
Assumed name from House of Vasconcelos and House of Meneses as their successors