Family: William (1st Baron Leyburn) De Leyburn / Juliane De Sandwich (F66440)
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Father | Male
William (1st Baron Leyburn) De Leyburn
Born Died Bef 12 Mar 1310 Buried Married Father Roger De Leyburn | F43477 Group Sheet Mother
Mother | Female
Juliane De Sandwich
Born Died 1329 Buried Father Henry (Sir) De Sandwich | F66441 Group Sheet Mother
Child 1 | Female
Idonia De Leyburn
Born Died Yes, date unknown Buried Spouse Geoffery 1st Lord De Say | F66439 Married
Child 2 | Male
Thomas (Sir) De Leybourne
Born Died 30 May 1307 Buried Spouse Alice De Toeni | F43064 Married