ومبدئياً، كان الظن أنهم ماتوا جراء ما يُعرف بشكل غير رسمي ب" موت المهد،" وبشكل رسمي بمتلازمة موت الرُضع المفاجئ.
And initially, it was thought that they died of what's known informally as "cot death," and more formally as "Sudden Infant Death Syndrome."