Also ask Mick Jagger about Mrs. Trudeau.
Look up his mother, Maggie Trudeau. She was well known to be "loose" and she was in Cuba, about 9 months before Justin was born.
Also ask Mick Jagger about Mrs. Trudeau.
But that's all hearsay and innuendo, no different from the tabloid headlines claiming Elvis was seen alive in Las Vegas. I tend to go by hard evidence, such as a DNA test showing familial links, before jumping to conclusions.