Not known. (The same is true for the most of the Hogwarts teachers.)
No doubt in his office. It isn't actually known where teachers sleep but they must have some place to do so.
Albus Dumbledore's brother is Aberforth Dumbledore.
His full name is stated as Albus Percival Wulfric Brian Dumbledore.
Albus Dumbledore didn't release any songs.
Professor Albus Percival Wulfric Brian Dumbledore
Albus Percival Wulfric Brain Dumbledore and Severus Snape.
Albus Dumbledore's brother is Aberforth Dumbledore.
Albus Dumbledore was created in 1997.
No, Albus Dumbledore doesn't smoke a pipe.
Severus Snape used a killing curse on Albus Dumbledore.
Aberforth Dumbledore is his full name. No middle name has ever been mentioned.
His full name is stated as Albus Percival Wulfric Brian Dumbledore.
Albus Dumbledore did.
Dumbledore's full name is Albus Percival Wulfric Brian Dumbledore.
Albus Dumbledore didn't release any songs.
Professor Albus Percival Wulfric Brian Dumbledore
Albus Percival Wulfric Brian Dumbledore and his brother was called Aberforth Dumbledore He also had a sister called Ariana Dumbledore.
A highly inaccurate and biased biography of Albus Dumbledore written by Rita Skeeter.