Wilson Jr. was the eldest son of Edward Pellew Wilson, a wealthy Scottish businessman and a cousin of Sir James Milne Wilson, who had settled in Brazil, founding the shipping firm of Wilson & Sons. Wilson Jr. was also a godchild of Lord Exmouth, his grandfather's friend.
Wilson Jr. was the eldest child of Edward Pellew Wilson, a wealthy Scottish merchant and cousin of Sir James Milne Wilson, who had relocated to Brazil and founded the shipping firm Wilson & Sons. Wilson Jr. was also a godchild of Lord Exmouth, a family friend.