Ghebre-Michael differs in three ways from the other canonised and beatified members the Congregation of the Mission: First, he was African, not European; second, he was not a born Catholic, but an adult convert; and third, he was not actually a member of the community.
For the entire study on Blessed Ghebre-Michael and Justin deJacobis done by Father Tom Davitt, C.M. visit http://www.famvin.org/cm/institutes/CIF/cif-talks/Justin-ghebre.html
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A <a href=Google search on Ghebre Michael reveals many sources including a link to a very attractive recent pamphlet produced by Ron Hoye, CM of the Midwestern Prfovince of the CM.