Ich

1. ego
2. self, me, him, etc.

schwöre

1. inflection of schwören:
2. inflection of schwören:
3. inflection of schwören:

es

• Pron

  1. nominative and accusative neuter third-person singular personal pronoun
  2. Impersonal pronoun used to refer to statements, activities, the environment etc., or as a placeholder/dummy pronoun — it

• Article

beim

Contraction of bei dem: at the, by the, etc. (followed by a masculine or neuter singular noun in the dative case)

Grab

1. grave
2. tomb

meiner

• Pron

  mine (substantival possessive)

• Det

Großmutter

1. grandmother
2. (colloquial) old woman, elderly woman, old lady