The audience is introduced to a pair of teenage brothers. (nextprojection.com)
I'm lucky to have two teenage brothers who want to see the world. (treehugger.com)
As teenage brothers and identical twins growing up in 1950s Alabama, Gregory and James Benford both read Time for the Stars, Robert Heinlein's 1956 novel about Tom and Pat Bartlett — identical teenage twins who took part in the world's first interstellar space mission. (discovermagazine.com)