Real Madrid could sign two Mbappes this summer.
It is already common knowledge that Kylian Mbappe is poised to move to the Bernabeu after his Paris Saint-Germain contract expires on June 30.
However, the deal is unlikely to be officially announced publicly until it is no longer possible for PSG and Madrid to face each other in this season's UEFA Champions League.
According to okdiario.com, Mbappe, 25, told Madrid during contract negotiations that he would like to be joined at his new club by younger brother Ethan, 17.
Madrid reportedly agreed to this request.
Ethan Mbappe has trained regularly with the PSG first-team this season, although he has only featured in three senior games to date.
The teenager has played in six games in this season's UEFA Youth League.
He has produced five goals and four assists in 16 matches in the Championnat National U19.
Like Kylian, Ethan's current contract with PSG is due to expire at the end of June.
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