Though their grandson PERSON@1 I of LOCATION@1 -LRB- also known as PERSON@2 , Holy Roman Emperor -RRB- favoured LOCATION@2 , it was PERSON@1 ' son , PERSON@3 -LRB- NUMBER@1 NUMBER@2 -RRB- who moved the court to LOCATION@3 in NUMBER@3 .

Their grandson was the famous PERSON@1 I of LOCATION@1 -LRB- also known as PERSON@2 , Holy Roman Emperor -RRB- .
