Brothers in Baseball (J - Z) by Baseball Almanac
https://www.baseball-almanac.com/family/fam1a.shtml Marcel Lachemann and Rene Lachemann were both former Major League players AND former team managers of Major League franchises. Felipe Alou , Matty Alou and Jesus Alou all played for the same team at the same time and set the record for most games appeared in by brothers with five-thousand one-hundred twenty-nine.…