Guests of a party where a son and granddaughter of Robert F. Kennedy were arrested are disputing the report by Massachusetts police.

The Cape Cod Times reported partygoers called the gathering near the family compound in Hyannis Port “pretty tame” and said contrary to a police report, 52-year-old Matthew “Max” Kennedy didn’t incite an angry mob.

Kennedy and his 22-year-old daughter, Caroline, were arrested Sunday on disorderly conduct and noise charges.

Friend Peter Kazazes said partygoers were confused about the arrests.

Police wrote that Kennedy was unsteady on his feet with bloodshot, glassy eyes, but a test showed he had zero blood alcohol content.

The newspaper reported it viewed video from around the time police arrived showing about a dozen people calmly singing Billy Joel’s “Piano Man.”

Read the Barnstable officers’ accounts of the Kennedy arrests:

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