Robbie Keane's wife Claudine retweeted a tweet which included the words "Free Palestine" as the Maccabi Tel Aviv manager celebrated his 43rd birthday on Saturday.
Ireland's all-time leading goalscorer came under criticism over his decision to move to the Israeli club, which Sinn Fein TD Chris Andrews recently labelled a 'racist and apartheid' team.
Andrews said: "It's really, really disappointing.