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| name | Jean-Baptiste Ollitraut de Kéryvallan | |
| baptismal name | Jean-Baptiste | |
| born | Avril 13, 1862 in Quintin (Bretagne, France) | |
| higher education | Saint-Brieuc | |
| ordained priest | November 18, 1888 | |
| begin of monastic life | June 1, 1885 in Melleray | |
| June 24, 1887 monastic profession | ||
| July 2, 1890 sollemn profession | ||
| responsibilities | 1890 subprior and novice master in Melleray | |
| March 19, 1902 superior in Wood-Barton (UK) | ||
| August 5, 1919 elected abbot of Melleray | ||
| Nov. 13, 1922 elected General Abbot OCR | ||
| died | February 25, 1929 in Rome | |
| buried | in Tre Fontane (Rome) | |
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 | ----- biography J.-B. Ollitraut de Kéryvallan ----- | ||
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