Question: Were Agrippina the Elder and Octavia the Elder siblings of Augustus?
Paraphrase: Is it true that Agrippina the Elder and Octavia the Elder were siblings of Augustus?
SPARQL (Wikidata): ASK WHERE { wd:Q1405 wdt:P3373 wd:Q229413 . wd:Q1405 wdt:P3373 wd:Q517380 }