| P40 | child | ... | Q3405585 (William de Ferrers, 5th Earl of Derby) | William de Ferrers, 5th Earl of Derby |
| P40 | child | ... | Q72390873 (Agnes de Ferrers) | Agnes de Ferrers |
| P53 | family | ... | Q17588094 (House of Ferrers) | House of Ferrers |
| P22 | father | ... | Q1683480 (William de Ferrers, 3rd Earl of Derby) | William de Ferrers, 3rd Earl of Derby |
| P735 | given name | ... | Q12344159 (William) | William |
| P31 | instance of | ... | Q5 (human) | human |
| P25 | mother | ... | Q61896279 (Sibyl de Braose) | Sibyl de Braose |
| P97 | noble title | ... | Q1277265 (Earl of Derby) | Earl of Derby |
| P106 | occupation | ... | Q47064 (military personnel) | military personnel |
| P21 | sex or gender | ... | Q6581097 (male) | male |
| P26 | spouse | ... | Q72391178 (Agnes of Chester) | Agnes of Chester |
| P646 | Freebase ID | /m/027yf39 |
| P1819 | genealogics.org person ID | I00139190 |
| P2600 | Geni.com profile ID | 6000000000424646430 |
| P1185 | Rodovid ID | 646626 |
| P4638 | The Peerage person ID | p4268.htm#i42680 |
| P4159 | WeRelate person ID | William_de_Ferrers_(2) |
| P2949 | WikiTree person ID | Ferrers-93 |
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log id: 7512586