The two female corpses were found in the town of Gifhorn, near the city of Hanover.
The bodies were found at the hotel in Passau on Saturday morning by an employee who opened the door to their three-bed room when they didn't respond to repeated knocking.
PHOTO:A guesthouse is pictured on the river "Ilz" in Passau, Germany, Can also 13, 2019.
Two of the weapons extinct within the killings had been found on Saturday, whereas a third became as soon as found unused in a ranking on Monday, in response to police.
The our bodies of a fifty three-One year-aged German man and two German ladies folk, outdated-fashioned 33 and 30 had been found, in response to Passau Police.
Hotel staff in Passau had on Saturday discovered the three dead Germans in their room around noon alongside two crossbows.
Police are struggling to piece together what links the five dead people as the investigation has broadened from the banks of the Danube to a mountain range over the Rhine and the rolling farmland of the north.
"There would possibly be now no indication of the doubtless participation of folks" Passau police wrote in a assertion launched on Monday.
A junior manager who first alerted the police, told the German newspaper Berliner Morgenpost: 'In the room of the dead people there were two crossbows'. Prosecutors have ordered an autopsy.
The guests had booked a triple room for three nights, arriving on Friday evening.
The hotel has reopened for business after police announced there was no more evidence to find.