https://365daysofmotoring.com/driver-ulf-gronholm-38-the-father-of-future-world-rally-champion-marcus-gronholm-and-co-driver-bob-rehnstrom-were-killed-after-their-car-hit-a-snowplower-and-caught-fire-during-a-preparatory-run/
Driver Ulf Grönholm (38) - the father of future World Rally Champion Marcus Grönholm - and...
Feb 26, 1981 - Thursday 26th February 1981 Driver Ulf Grönholm (38) – the father of future World Rally Champion Marcus Grönholm – and co-driver Bob Rehnström were killed...
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