Texas tech entrepreneur Adam Robinson, 44, was killed along with his wife Helen, their two children, a nanny and two friends in Sunday's Learjet crash in Florida, TMZ reports. 55-year-old pilot Jeff Gregory and 20-year-old co-pilot Nathalia Gadhala Filgueiras also died. The cause is still under investigation.

Texas tech entrepreneur Adam Robinson, 44, was killed along with his wife Helen, their two children, a nanny and two friends in Sunday's Learjet crash in Florida, TMZ reports. 55-year-old pilot Jeff Gregory and 20-year-old co-pilot Nathalia Gadhala Filgueiras also died. The cause is still under investigation.