HONOLULU — Two men in Hawaii who have been best friends for 60 years recently found out they are brothers.
Alan Robinson and Walter Macfarlane, who were born 15 months apart, first met in the sixth grade.
Macfarlane never knew his father, and Robinson was adopted. 
Macfarlane turned to family history and DNA-matching websites to try to learn more about his ancestry after unsuccessful searches on the internet and social media, Honolulu news station KHON-TV reported.
“So then we started digging into all the matches he started getting,” said his daughter, Cindy Macfarlane-Flores.
A top match — someone with identical X chromosomes — had the username Robi737. She said Macfarlane realized the connection because Robison’s nickname was Robi and he flew 737s for Aloha Airlines.
It turned out Robinson used the same website to find answers about his family. They discovered they have the same birth mother.
“It was a shock,” Macfarlane told the station.
“I had a younger …