es ▁mentions ▁no ▁other ▁events ▁from ▁the ▁mid - 1 0 9 0 s , ▁which ▁makes ▁it ▁likely ▁that ▁Gé za ▁I ▁was ▁the ▁king ▁whom ▁Syn ad ene ▁married . ▁ ▁Mar riage ▁date ▁▁ ▁The ▁date ▁of ▁Syn ad ene ' s ▁marriage ▁is ▁even ▁less ▁certain ▁than ▁the ▁identity ▁of ▁her ▁husband . ▁R . ▁Ker bl ▁suggested ▁the ▁period ▁between ▁ 1 0 6 4 ▁and ▁ 1 0 6 7 . ▁He ▁referred ▁to ▁the ▁union ▁as ▁a ▁" private ▁arrangement " ▁between ▁Duke ▁Gé za ▁and ▁those ▁By z antine ▁command ers ▁( including ▁Syn ad ene ' s ▁uncle , ▁who ▁had ▁not ▁yet ▁become ▁em peror ) ▁who ▁were ▁in ▁charge ▁of ▁B alk an ▁and ▁Dan ub ian ▁territ ories . ▁Gé za ▁then ▁possibly ▁ruled ▁south - e astern ▁part ▁of ▁Hung ary , ▁on ▁the ▁border ▁of ▁the ▁By z antine ▁Empire , ▁and ▁had ▁a ▁poor ▁relationship ▁with ▁his ▁cousin , ▁King ▁Sol omon , ▁making ▁the ▁marriage ▁with ▁Syn ad ene ▁polit ically ▁advantage ous . ▁However , ▁given ▁that ▁Syn ad ene ▁returned ▁to ▁By z ant ium ▁upon ▁Gé za ' s ▁death , ▁it ▁is ▁likely ▁that ▁the ▁marriage ▁produced ▁no ▁issue , ▁and ▁that ▁the ▁mother ▁of ▁his ▁children , ▁born ▁in ▁the ▁ 1 0 6 0 s , ▁was ▁his ▁first ▁wife , ▁Soph ia . ▁It ▁is ▁thus ▁safe ▁to ▁assume ▁that ▁the ▁marriage ▁took ▁place ▁in ▁the ▁mid - 1 0