Complex sentence: Her East German identification card, hidden in her sock, identified her as Erna Kelm from Sacrow, 53 years old, born on July 21,1908 in Frankfurt an der Oder.
Split into simpler sentences: Her East German identification card, hidden in her sock, identified her as Erna Kelm from Sacrow, 53 years old. She was born on July 21,1908 in Frankfurt an der Oder.