Joe Garcia died of a heart attack on Thursday, two days after his wife was killed
Family say Joe died ‘of a broken heart’ after Irma was murdered by the gunman
The pair were married for 24 years and had four children together
Irma and fellow teacher Eva Mireles, 44, died ‘with children in their arms’
The pair jumped in front of the kids to try to stop the gunman from murdering them
Court rules Donald Trump and children Don Jr. and Ivanka must testify under oath in New York Attorney General Letitia James’ civil investigation into the family business