Matches in DBpedia 2014 for { ?s ?p Joachim Joseph Gruppelaar (24 October 1911 – 12 July 1971) was a Dutch equestrian. He competed at the 1948 Summer Olympics in jumping and finished in 20th place. Gruppelaar held a military rank of major in 1948.. }
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- Joachim_Gruppelaar abstract "Joachim Joseph Gruppelaar (24 October 1911 – 12 July 1971) was a Dutch equestrian. He competed at the 1948 Summer Olympics in jumping and finished in 20th place. Gruppelaar held a military rank of major in 1948.".
- Joachim_Gruppelaar comment "Joachim Joseph Gruppelaar (24 October 1911 – 12 July 1971) was a Dutch equestrian. He competed at the 1948 Summer Olympics in jumping and finished in 20th place. Gruppelaar held a military rank of major in 1948.".