Old Saxon will be the closest thing to Frisian for the same time period, and it does look closer to the Old English:

Fadar usa firiho barno,

thu bist an them hohon himila rikea,

geuuihid si thin namo uuordo gehuuilico,

Cuma thin craftag riki.

UUerða thin uuilleo oƀar thesa werold alla,

so sama an erðo, so thar uppa ist

an them hohon himilo rikea.

Gef us dag gehuuilikes rad, drohtin the godo,

thina helaga helpa, endi alat us, heƀenes uuard,

managoro mensculdio,

al so uue oðrum mannum doan.

Ne lat us farledean leða uuihti

so forð an iro uuileon, so uui uuirðige sind,

ac help us uuiðar allun uƀilon dadiun.

[these are all of course translations from Latin, so there are also differences in translator choices as well.]

Yeah, also the problem of the translation of https://en.wikipedia.org/wiki/Epiousios (or the vernacular translation of Latin translations of that word)...

Thanks for the Old Saxon example. Very interesting!