peacemaker (Greek #1518)

Matthew
5:9   Blessed
ho (Greek #3588)
the definite article; the (sometimes to be supplied, at others omitted, in English idiom)
KJV usage: the, this, that, one, he, she, it, etc.
Pronounce: ho
Origin: ἡ (hay), and the neuter τό (to) in all their inflections
makarios (Greek #3107)
supremely blest; by extension, fortunate, well off
KJV usage: blessed, happy(X -ier).
Pronounce: mak-ar'-ee-os
Origin: a prolonged form of the poetical μάκαρ (meaning the same)
are the peacemakers
eirenopoios (Greek #1518)
pacificatory, i.e. (subjectively) peaceable
KJV usage: peacemaker.
Pronounce: i-ray-nop-oy-os'
Origin: from 1515 and 4160
: for
hoti (Greek #3754)
demonstrative, that (sometimes redundant); causative, because
KJV usage: as concerning that, as though, because (that), for (that), how (that), (in) that, though, why.
Pronounce: hot'-ee
Origin: neuter of 3748 as conjunction
they
autos (Greek #846)
the reflexive pronoun self, used (alone or in the comparative 1438) of the third person , and (with the proper personal pronoun) of the other persons
KJV usage: her, it(-self), one, the other, (mine) own, said, (self-), the) same, ((him-, my-, thy- )self, (your-)selves, she, that, their(-s), them(-selves), there(-at, - by, -in, -into, -of, -on, -with), they, (these) things, this (man), those, together, very, which. Compare 848.
Pronounce: ow-tos'
Origin: from the particle αὖ (perhaps akin to the base of 109 through the idea of a baffling wind) (backward)
shall be called
kaleo (Greek #2564)
to "call" (properly, aloud, but used in a variety of applications, directly or otherwise)
KJV usage: bid, call (forth), (whose, whose sur-)name (was (called)).
Pronounce: kal-eh'-o
Origin: akin to the base of 2753
the children
huios (Greek #5207)
a "son" (sometimes of animals), used very widely of immediate, remote or figuratively, kinship
KJV usage: child, foal, son.
Pronounce: hwee-os'
Origin: apparently a primary word
of God
theos (Greek #2316)
a deity, especially (with 3588) the supreme Divinity; figuratively, a magistrate; by Hebraism, very
KJV usage: X exceeding, God, god(-ly, -ward).
Pronounce: theh'-os
Origin: of uncertain affinity
.