They all died so that their spirits would accompany that of their princess into the afterworld.

5 seconds sound clip from the The Mummy (1959) movie soundboard.

You can hear this line at 00:38:54.533 in the Blu-ray version of the movie.

Quote context

[...]

- Under the watchful eye of Kharis, the royal mummy was taken from its bier by Nubian slaves and was carried into the tomb. Behind it walked Kharis.

- And behind him came the casket containing the heart of the princess.

- Much blood was to flow during the succeeding days.

- Many were to die, both for the further glorification of the princess and to ensure that the location of the tomb remained a secret.

- The Nubian slaves were put to the sword. Their fate was ordained, as was the fate of the six maidens.

- They all died so that their spirits would accompany that of their princess into the afterworld.

- Hail to thee, child of the god Shu.

- The underworld has gained mastery over his diadem.

- Like the Hammamet beings, may thou arise, even as Karnak doth arise and fare forth.

- Have power over the speech of thy mouth.

[...]