| | Sir Geoffrey le Scrope 1285–1340 Lady Ivetta de Ros 1290–1331 | | | | Bailiff William le Scrope 1245–1312 Lady Constance de Newsom 1249–1310 | | | | | Thomas de Newsom 1223–1253 | | | | Gillo de Newsom 1191–1282 |
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| | | Baron William de Ros 1255–1316 Baroness Maud de Vaux 1257–1316 | | | | Sir Robert IV de Roos 1226–1285 Isabel de Aubigny 1233–1301 | | | | Sir William de Ross 1192–1264 Lucia FitzPiers 1212–1266 | | |
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