#brother  a male person who is a fellow member (of a fraternity or religion of other group); "none of his brothers would betray him"
  supertype:  #member  one of the persons who compose a social group (especially individuals who have joined and participates in a group organization); "only members will be admitted"; "a member of the faculty"; "she was introduced to all the members of his family"
  member of:  #fraternity
  subtype:  #Freemason__Mason  a member of a widespread secret fraternal order pledged to mutual assistance and brotherly love
     subtype:  #Knight_Templar  a man who belongs to a Masonic order in the US

No statement uses or specializes #brother; click here to add one.