"I would like to sincerely thank everyone for the condolences on the tragic death of my wife Romy and my daughter Janine," he wrote.
"A lot of people from New Zealand and other parts of the world supported me in this difficult time and came to visit. Thank you very much, everyone.
"I would like to especially thank Rhondda Paice and all the staff at Auckland City Hospital. Furthermore, a special thanks to Tanya Burrage and Julia Fischer from Dream Au Pair as well as Johannes Berweiler and Lisa Powlesland and Martin Haward who kindly accommodated my brother during his short stay.
"Last but not least I would also like to thank Jodene Mildon."
On the day of the crash, Miss Baer had been out showing her parents the "wonderful small town" of Matakana, which she called home in New Zealand.
A Givealittle page set up to help Mr Baer has raised more than $6100.