who is a pledge given in advance [adjectival relative clause relating to the Spirit] of our inheritance [the first of a series of linked phrases describing the inheritance mentioned before] to the redemption [second in the series] of the purchased possession [third in the series. …
Sealed Gems
Bible Gem 631 – Sealed in the Spirit of promise (Eph 1:13)
in whom [this links to the “in whom” before this one, the two phrases form clausal adjectives describing this Christ’s activities] having also believed [a past participle which forms a series (with the one following) of the benefits of hearing the word of truth] having been sealed [the …