Most literally it means "for always, your tutor."
for always forever
Forever your son.
Forward for ever or Always forward
One girl is forever
Te amo para siempre, Or you may use Te Quiero para siempre.
"España para siempre" is the most literal translation but "Por siempre España" sounds better to me.
It means: family forever
tomorrow is forever
por siempre y para siempre
yo soy tu hermana para siempre means: I am your sister forever.
Nene is a baby or a small child. Basically, "Tu nene para siempre" translates as "Your baby forever".
I am your's forever.