Victor Steeman, a World Superbikes rider, and his mother died within days of each other.
According to reports, His mother died 2 days after learning of her son's untimely death.
The motorcyclist was killed in a crash during the Pirelli Portuguese Round of the FIM Supersport 300 World Championship.
The MTM Kawasaki rider was involved in a multi-rider accident.
The red light was instantly flashed, and medics rushed to the scene to treat Steeman.
On Sunday, he was treated at the circuit's medical clinic before being transferred to Faro hospital.
However, it was revealed on Tuesday that the 22-year-old had died as a result of his injuries.
According to Racesport.nl, Steeman's mother, Flora van Limbeek, passed away on Thursday.
She died at her home after suffering a cardiac arrest, according to reports. She was 59 years old.
WorldSBK also paid tribute to Victor Steeman, a Superbikes rider.
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