They most probably were not brothers, I was wondering if Frank was Harry's Father? Uncle?
No, they are not related.
Frank Morgan died on September 18, 1949 at the age of 59.
Frank Morgan was born on June 1, 1890.
Frank Morgan was born on June 1, 1890 and died on September 18, 1949. Frank Morgan would have been 59 years old at the time of death or 121 years old today.