Matches in DBpedia 2014 for { ?s ?p <http://dbpedia.org/resource/Category:Date_of_birth_unknown> . }
- Oswald_Tesimond subject Category:Date_of_birth_unknown.
- Ousmane_Zongo subject Category:Date_of_birth_unknown.
- P._S._Harrison subject Category:Date_of_birth_unknown.
- Paddy_Croft subject Category:Date_of_birth_unknown.
- Pan_Zhongqi subject Category:Date_of_birth_unknown.
- Pat_Buckley_(Aghabullogue_hurler) subject Category:Date_of_birth_unknown.
- Patricia_Lake subject Category:Date_of_birth_unknown.
- Patrick_Campbell_(British_Army_officer) subject Category:Date_of_birth_unknown.
- Patrick_H._Grace subject Category:Date_of_birth_unknown.
- Paula_Strasberg subject Category:Date_of_birth_unknown.
- Pauline_Oberdorfer_Minor subject Category:Date_of_birth_unknown.
- Pema_Lingpa subject Category:Date_of_birth_unknown.
- Penelope_Blount,_Countess_of_Devonshire subject Category:Date_of_birth_unknown.
- Percy_Anderson subject Category:Date_of_birth_unknown.
- Peter_Kurongku subject Category:Date_of_birth_unknown.
- Peter_Mayhew_(film_editor) subject Category:Date_of_birth_unknown.
- Peter_Perez_Burdett subject Category:Date_of_birth_unknown.
- Peter_Šumi subject Category:Date_of_birth_unknown.
- Petra_Vaarakallio subject Category:Date_of_birth_unknown.
- Philip_Corbet subject Category:Date_of_birth_unknown.
- Philip_Hugh_Dalbiac subject Category:Date_of_birth_unknown.
- Philippa_de_Coucy,_Countess_of_Oxford subject Category:Date_of_birth_unknown.
- Pierre_d'Arc subject Category:Date_of_birth_unknown.
- Pir_Syed_Mohammad_Yaqoob_Shah subject Category:Date_of_birth_unknown.
- Pope_John_II subject Category:Date_of_birth_unknown.
- Potlako_Leballo subject Category:Date_of_birth_unknown.
- Pran_Nath_Lekhi subject Category:Date_of_birth_unknown.
- Publius_Flavius_Vegetius_Renatus subject Category:Date_of_birth_unknown.
- Pushtiie_Shakti subject Category:Date_of_birth_unknown.
- R.K._Kieseritzky subject Category:Date_of_birth_unknown.
- R._Medhurst_(Sussex_cricketer) subject Category:Date_of_birth_unknown.
- R._Morris subject Category:Date_of_birth_unknown.
- R._Slater_(Lancashire_cricketer) subject Category:Date_of_birth_unknown.
- Rachel_de_Solla subject Category:Date_of_birth_unknown.
- Ralph_Vaughn subject Category:Date_of_birth_unknown.
- Rana_Bokhari subject Category:Date_of_birth_unknown.
- Raoul_du_Toit subject Category:Date_of_birth_unknown.
- Ray_Dolan subject Category:Date_of_birth_unknown.
- Red_Rocks_Farrell subject Category:Date_of_birth_unknown.
- Rex_McDougall subject Category:Date_of_birth_unknown.
- Richard_Banda subject Category:Date_of_birth_unknown.
- Richard_Bliss subject Category:Date_of_birth_unknown.
- Richard_Hutton_(sport_shooter) subject Category:Date_of_birth_unknown.
- Richard_Long_(MP_1734–1741) subject Category:Date_of_birth_unknown.
- Richard_Long_(courtier) subject Category:Date_of_birth_unknown.
- Richard_Woodville,_3rd_Earl_Rivers subject Category:Date_of_birth_unknown.
- Robert_Abercromby_(missionary) subject Category:Date_of_birth_unknown.
- Robert_Adams_(architect) subject Category:Date_of_birth_unknown.
- Robert_Anderton subject Category:Date_of_birth_unknown.
- Robert_Catesby subject Category:Date_of_birth_unknown.
- Robert_Clayton subject Category:Date_of_birth_unknown.
- Robert_Ducie subject Category:Date_of_birth_unknown.
- Robert_H._Adams subject Category:Date_of_birth_unknown.
- Robert_Keyes subject Category:Date_of_birth_unknown.
- Robert_Livermore subject Category:Date_of_birth_unknown.
- Robert_Neville_(bishop) subject Category:Date_of_birth_unknown.
- Robert_Smith_(Darwen_footballer) subject Category:Date_of_birth_unknown.
- Robert_Thompson_(New_Zealand_politician) subject Category:Date_of_birth_unknown.
- Robert_Watson_(footballer) subject Category:Date_of_birth_unknown.
- Robert_Weilbacher subject Category:Date_of_birth_unknown.
- Roberte_Ponsonby,_Countess_of_Bessborough subject Category:Date_of_birth_unknown.
- Roberts_(Hampshire_cricketer) subject Category:Date_of_birth_unknown.
- Roger_Corbet_(died_1395) subject Category:Date_of_birth_unknown.
- Roger_Vaughan_of_Porthamal subject Category:Date_of_birth_unknown.
- Rohese_de_Clare subject Category:Date_of_birth_unknown.
- Rolf_Leslie subject Category:Date_of_birth_unknown.
- Ronald_Lee_Buch subject Category:Date_of_birth_unknown.
- Rosemary_Hennessy subject Category:Date_of_birth_unknown.
- Ross_Piper subject Category:Date_of_birth_unknown.
- Rowland_Talbot subject Category:Date_of_birth_unknown.
- Roxana_Druse subject Category:Date_of_birth_unknown.
- Roy_Leenig subject Category:Date_of_birth_unknown.
- Roza_Robota subject Category:Date_of_birth_unknown.
- Rufus_Halley subject Category:Date_of_birth_unknown.
- Russell_(MCC_cricketer) subject Category:Date_of_birth_unknown.
- Rustam_Dushmanziyar subject Category:Date_of_birth_unknown.
- Róbert_Lovas subject Category:Date_of_birth_unknown.
- S._Maynard_(Hampshire_cricketer) subject Category:Date_of_birth_unknown.
- Saad_Al-Abdullah_Al-Salim_Al-Sabah subject Category:Date_of_birth_unknown.
- Saad_Al-Breik subject Category:Date_of_birth_unknown.
- Sai_Baba_of_Shirdi subject Category:Date_of_birth_unknown.
- Saint_Donatus_of_Muenstereifel subject Category:Date_of_birth_unknown.
- Saint_Menefrida subject Category:Date_of_birth_unknown.
- Sakanoue_no_Korenori subject Category:Date_of_birth_unknown.
- Sakine_Cansız subject Category:Date_of_birth_unknown.
- Salmoni_(Cambridge_Town_Club_cricketer) subject Category:Date_of_birth_unknown.
- Sam_Abal subject Category:Date_of_birth_unknown.
- Sam_Crow_(baseball) subject Category:Date_of_birth_unknown.
- Samarus subject Category:Date_of_birth_unknown.
- Samiilo_Bohdanovych-Zarudny subject Category:Date_of_birth_unknown.
- Samuel_Brandon_(author) subject Category:Date_of_birth_unknown.
- Sandy_Wallace subject Category:Date_of_birth_unknown.
- Sanjay_Saini subject Category:Date_of_birth_unknown.
- Sanna_Lankosaari subject Category:Date_of_birth_unknown.
- Sarah_Oram subject Category:Date_of_birth_unknown.
- Sarah_Powell subject Category:Date_of_birth_unknown.
- Sari_Krooks subject Category:Date_of_birth_unknown.
- Satarop subject Category:Date_of_birth_unknown.
- Satu_Huotari subject Category:Date_of_birth_unknown.
- Sepé_Tiaraju subject Category:Date_of_birth_unknown.