They continued: "We received encouraging words from Rachel’s doctor today. A slight improvement! It will be a long way to recovery but are hopeful. We are comfortable in opening tomorrow for Presidents’ Day."

Rachel Knaus Grafe and Herbert Grafe were at their home in the Redlands when their 30-year-old son, Travis Grafe, allegedly attacked them on Friday evening, WSVN-TV first reported.

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Miami-Dade Police Department officers responded to a violent domestic dispute in the 15700 block of SW 248 Street in the Redlands, authorities told Fox News Digital over the weekend.

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An injured husband and wife at the home told responding officers that their son attacked them with a "blunt object" before he fled the scene," authorities said.

Grafe reportedly has a traumatic brain injury, according to WPLG.

A family friend told WTVJ-TV that the couple was "extremely shocked and upset" over the incident.

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"I've just heard that Travis wanted money, and his mom wouldn't give it to him, and he beat her pretty bad — close to death — with a flashlight," the family friend said.

Florida Republican Rep. Carlos Giménez said he and his wife are "praying for" the Grafe family in a Saturday tweet.

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"Knaus Berry Farm is an iconic business in our district, providing some of the best baked goods and milkshakes in South Florida. Horrified by this news," he wrote.

Travis Grafe is being held on $25,000 bond at Miami-Dade County Corrections and Rehabilitation. He is charged with attempted murder, robbery and aggravated battery.

Fox News' Stephen Sorace contributed to this report.