A ciki na Gidan ibada na Alcobaca, akwai ɗayan wuraren yawon buɗe ido: kaburburan masarauta na masoya sarki Pedro Ina (daga 1320 zuwa 67) e Ines de Castro (1325-55).
Sun sadu lokacin da aka tilasta wa Pedro ya auri yarinyar Constance na Castilla a cikin 1339, inda baiwar tasa ta girmama ita ce Inés, diyar wani basarake a Castilian. Pedro ya ƙaunaci Ines kuma ya ɗauke ta a matsayin masoyin sa. Bayan Constanza ta mutu a 1349, Pedro ya ƙi yin aure kuma ya kasance mai son Agnes, wanda yake da 'ya'ya da yawa tare da shi.
Pedro ya amince da dukkan yaransa tare da Agnes kuma ya fifita 'yan Castlai a kotu, yana kawo mahaifin Pedro, Sarki Alfonso IV, zuwa ga alaƙar su a matsayin barazana ga mulkin sa. Don haka, a cikin 1355, sarki ya kashe ta. Shekaru biyu bayan haka, Alfonso IV ya mutu kuma Pedro ya zama sarki.
Sarki Pedro I nan da nan ya ayyana cewa an yi aure Agnes a cikin wani bikin sirri a Bragança, yana mai da ita ta zama sarauniya ta gari.
Sarki Peter ya ba da izinin kaburbura don kansa da ƙaunatattunsa, suna fuskantar juna. Kodayake ya lalace, sarcophagi ya kasance mafi girman ɓangaren sassaka daga karni na 14 na Portugal. Duk kabarin akwai hotunan mamaci tare da taimakon mala'iku.
An kawata bangarorin kabarin Pedro da abubuwa daga rayuwar Saint Bartholomew da kuma al'amuran rayuwarsa tare da Agnes, gami da alkawarin cewa zasu kasance tare até ao fim do mundo (har zuwa ƙarshen duniya). Kabarinsa an kawata shi da al'adu daga rayuwar Kristi da Hukunci na thearshe.
Hakanan, a cikin gidan sufi shi ne Royal Pantheon, an lalata shi a girgizar ƙasar Lisbon na 1755 kuma an sake gina shi jim kaɗan a cikin salon Neo-Gothic. Ya ƙunshi kaburburan karni na 13 na Sarauniya Urraca na Castile (d.1220, matar Sarki Alfonso II) da Sarauniya Beatrix na Castile (d.1303, matar Alfonso III). Babban sanannen kabarin shine na Sarauniya Urraca, wacce aka kawata ta sosai da kayan dare na Romanesque na gidan sarauta, manzanni, da Kristi a cikin mandorla.