sˈeɪnt ˈɪsɑːɹn dˈiː. wˈʌn θˈaʊzənd fˈoːɹɾi ˈeɪt, ɐ kˈæɾɐlˌæn mˈʌŋk ænd səksˈɛsɚɹ æz ˈæbət tə wˈɪfɹɪd, bɪɡˈæn kənstɹˈʌkʃən wˈɜːk ɪn wˈʌn θˈaʊzənd twˈɛnti, bˈɪldɪŋ ðə fˈɜːst ˌʌpɚ tʃˈɜːtʃ, tˈaʊɚɹ ænd ˈɔltɚ.
Saint Isarn (d. 1048), a Catalan monk and successor as abbot to Wiffred, began construction work in 1020, building the first upper church, tower and altar.