In Comics
Showcase #17 - Secret of the Eternal City / The Planet and the Pendulum
Detective Comics #27 (May 1939)
Base
Rann, Alpha Centauri System
Batcave, Stately Wayne Manor, Gotham City; Hall of Justice, Justice League Watchtower
Relatives
Alanna Strange (wife); Aleea Strange (daughter); Sardath (father-in-law); Janey Strange (sister); Todd Strange (brother, deceased); Bantteir (mother-in-law); Adam Strange II (descendent)
Damian Wayne (son), Dick Grayson (adopted son), Tim Drake (adopted son), Jason Todd (adopted son), Cassandra Cain (adopted ward) Martha Wayne (mother, deceased), Thomas Wayne (father, deceased), Alfred Pennyworth (former guardian), Roderick Kane (grandfather, deceased), Elizabeth Kane (grandmother, deceased), Nathan Kane (uncle, deceased), Simon Hurt (ancestor), Wayne Family