House of Lacy
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House of Lacy
Lords of Weobley, Ludlow
and Meath
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House Lacy of Lincoln
Lords of Halton, Pontefract
and Bowland
Earls of Lincoln
Matrilineal branch
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Walter de Lacy
Lord of Meath
Magna Charta surety -
Hugh de Lacy
1st Earl of Ulster
Arms in Chronica Majora by Matthew Paris