#4714 Leonis v. Alladio 12/9/1885
#7910 Leonis v. Gless, Coronel & Biscailuz 6/4/1888
#16927 Leonis v. Biscailuz & Biscailuz 2/10/1892
#22610 Leonis et al v. Ballade 1/4/1895
He was an interpreter in Basque for a Leonis court case in 1885.
He died before 1895