Go get your sister, Bertram.
Bertram, did you do your homework?
Bertram! Becareful!
Don't ignore me when I am talking to you, Bertram!
Don't forget to walk your dog, Bertram.
Bertram Natanael! come clean up this mess!!
Hey Bertram, are you sleeping??
Bertram is so funny!
Bertram! get in here now!
Oh, let play some board games, Bertram Natanael !
Where do you want to go for our summer vacation, Bertram?
That was a great trick, Bertram!
Can you do the dishes, Bertram?
Is everything Ok, Bertram?
Bertram Natanael , how was school?
Bertram, can you help me bring in the groceries?
How was your first day of school Bertram Natanael ?
Look at me when I am talking to you Bertram!
Bertram, your grounded! I can't believe you did that!
What do you want for dinner, Bertram Natanael ?
That was a really funny joke, Bertram!
What do you want for breakfast, Bertram?
Go get your brother, Bertram Natanael .
Where do you think you are going, Bertram??
Bertram Natanael is so smart!
