Ok, so under 'friends and family', we've got Ra's Al Ghul and Talia, which was naturally the subject that tenuously allowed Timm and co to do the Hex-starring episode of B:TAS, and Ra's was revealed to be his father. But, have we ever seen this connection established in the books? Or is it just something Dini, Timm and co came up with?
The Ra's Connection.
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