Authorities believe a Kentucky man wanted for custodial interference incidents in Kentucky and Tennessee has custody of his missing 3-year-old son and 16-year-old niece.

The Beaver Dam Police Department in Kentucky and Gallatin Police Department in Tennessee are searching for Jacob Clare, 35, who was last seen driving a gray Subaru with Noah Clare, 3, and Amber Clare, 16.

Noah Clare (Tennessee Bureau of Investigation)

Noah Clare (Tennessee Bureau of Investigation)

The Gallatin Police Department updated Noah Clare's missing status to "Endangered Missing Child" on Tuesday afternoon.

NC MAN, 61, FACES KIDNAPPING, CHILD PORNOGRAPHY CHARGES AFTER MISSING TEEN USES HAND SIGNALS FROM TIKTOK

Amber was last seen at her residence in Beaver Dam around 9:30 p.m. CST on Nov. 5 before she left during the early morning hours of Nov. 6, possibly with Jacob, the Ohio County Sheriff's Department in Kentucky said on Nov. 6.

Amber Clare (Tennessee Bureau of Investigation)

Amber Clare (Tennessee Bureau of Investigation)

Jacob was apparently en route to drop off his son, who was last seen in gray sweatpants and a camouflage shirt, with family after he picked up Amber, but no one has heard from them since. The family believes Jacob picked up Amber on the morning of Nov. 6.

SEARCH FOR MISSING SEATTLE FIRE DEPUTY CHIEF ENTERS SECOND WEEK IN RUGGED TERRAIN

The sheriff's office named the Great Smoky Mountain area as a "possible destination" for where Jacob was headed.

Jacob Clare (Tennessee Bureau of Investigation)

Jacob Clare (Tennessee Bureau of Investigation)

Clare is 6-foot-7, weighs about 200 pounds and has a tribal tattoo on his arm, authorities said.

CLICK HERE TO GET THE FOX NEWS APP

Authorities are asking anyone with information about Clare's whereabouts to contact the Beaver Dam Police Department at (270) 274-7106 or the Gallatin Police Department at 615-451-3838. Anyone with details about the case can also contact the Tennessee Bureau of Investigation (TBI) at 1-800-FBI-FIND.