If Christina and her husband had sexual intercourse at the time of William 's conception , a DNA test will be required to determine who William 's parents are .
Wilhelmina consults a doctor who tells her William might be Christina 's .
If Christina and Wilhelmina 's husband had sexual intercourse at the time William William 's conception , a DNA test will be required to determine William William 's parents are .
Wilhelmina consults a doctor who tells her William might be Christina 's .