Fukuoka prefectural police have arrested four members of one family on suspicion of breaking and entering, theft and attempted theft, with losses believed to exceed ¥100 million across more than a dozen incidents, Daily Shincho reported.
The family covered living costs with a grandmother's pension and made up the shortfall through theft by the father and his son, according to the report. The four were arrested by October 27.
The thefts took place while the family traveled with children, the report said, with jewelry and other valuables taken as they toured sightseeing spots.
Police have not disclosed how the four divide the proceeds or how long the thefts continued. The report did not say whether any of the four have admitted to the allegations.