WI Caesar Married Pompey's daughter

would this top the men from having a fallout? would it prevent a Civil War from breaking out or was that inevitable. Pompey's daughter gave birth to 2 sons and 3 daughter so does this mean that Caesar would have a direct heir?
 
no Pompey's daughter from an early marriage was on the marriage market about the time Julia, Caesar's daughter and Pompey's wife, died. And i was wondering if Caesar had married Pompeia what would have happened
 
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