But now events have taken a turn for the worse, leaving the once close siblings miles apart and alienated from each other.
Ms Hudson said: "Now everything is broken, splintered off into different directions, the distance between the brothers apparently far wider than the ocean which physically separates them.
"Of all the hopes we hold for this family now, all the healing that clearly needs to take place, this rift being repaired must be a priority.
"She loved her boys and would want them to be very happy." (Image: Getty)
Diana and William (Image: Getty)
"Just because it sounds trite doesn’t mean it isn’t true: this is not what she would have wanted."